19743 + Interview Questions in Mathematics Page 69 InterviewSolution

3401.	Question 49___of a solid is the measurement of the space occupied by it.
Answer» Question 49 ___of a solid is the measurement of the space occupied by it.

3401.

Question 49___of a solid is the measurement of the space occupied by it.

Answer»

Question 49

___of a solid is the measurement of the space occupied by it.

3402.	Sum of the two numbers is 4 more than the twice of difference of the two numbers. If one of the two numbers is three more than the other number, then find the numbers.
Answer» Sum of the two numbers is 4 more than the twice of difference of the two numbers. If one of the two numbers is three more than the other number, then find the numbers.

Discussion

3403.	If C invests Rs.5000 in a business and D joins him after 7 months investing Rs.12000, find the difference in the profit share of C and D after 1 year?
Answer» If C invests Rs.5000 in a business and D joins him after 7 months investing Rs.12000, find the difference in the profit share of C and D after 1 year?

3403.

If C invests Rs.5000 in a business and D joins him after 7 months investing Rs.12000, find the difference in the profit share of C and D after 1 year?

Answer»

If C invests Rs.5000 in a business and D joins him after 7 months investing Rs.12000, find the difference in the profit share of C and D after 1 year?

Discussion

3404.	The number 2 is shown on a number line. Steps are given to show 3 on the number line using 2. Fill in the boxes properly and complete the activity.Activity:∙ The point Q on the number line shows the number ........∙ A line perpendicular to the number line is drawn through the point Q. Point R is at unit distance from Q on the line.∙ Right angled ∆ ORQ is obtained by drawing seg OR.∙ l(OQ) = 2, l(QR) = 1∴ by Pythagoras theorem,[l(OR)]2 = [l(OQ)]2 + [l(QR)]2= 0 2 + 0 2 = 0 + 0 = 0 ∴ l(OR) = 0 Draw an arc with centre O and radius OR. Mark the point of intersection of the line and the arc as C. The point C shows the number line 3.
Answer» The number $\sqrt{2}$ is shown on a number line. Steps are given to show $\sqrt{3}$ on the number line using $\sqrt{2}$ . Fill in the boxes properly and complete the activity. Activity: ∙ The point Q on the number line shows the number ........ ∙ A line perpendicular to the number line is drawn through the point Q. Point R is at unit distance from Q on the line. ∙ Right angled ∆ ORQ is obtained by drawing seg OR. ∙ l(OQ) = $\sqrt{2}$ , l(QR) = 1 ∴ by Pythagoras theorem, [l(OR)]² = [l(OQ)]² + [l(QR)]² = $0$ ² + $0$ ²= $0$ + $0$ = $0$ ∴ l(OR) = $0$ Draw an arc with centre O and radius OR. Mark the point of intersection of the line and the arc as C. The point C shows the number line $\sqrt{3}$ .

Discussion

3405.	Choose the figure that has all the points on its perimeter equidistant from the center.
Answer» Choose the figure that has all the points on its perimeter equidistant from the center.

Discussion

3406.	A square is made of 5 identical rectangles. The perimeter of each rectangle is 36 cm. What is the area of the square?
Answer» A square is made of 5 identical rectangles. The perimeter of each rectangle is 36 cm. What is the area of the square?

Discussion

3407.	The demand for different shirt sizes,as obtained in a survey,is given below:Size38394041424344TotalNumber of persons (wearing it)263920151375125Find the modal shirt sizes,as observed from the survey.
Answer» The demand for different shirt sizes,as obtained in a survey,is given below: $\begin{matrix} Size & 38 & 39 & 40 & 41 & 42 & 43 & 44 & Total Number of persons (wearing it) & 26 & 39 & 20 & 15 & 13 & 7 & 5 & 125 \end{matrix}$ Find the modal shirt sizes,as observed from the survey.

3407.

The demand for different shirt sizes,as obtained in a survey,is given below:Size38394041424344TotalNumber of persons (wearing it)263920151375125Find the modal shirt sizes,as observed from the survey.

Answer»

The demand for different shirt sizes,as obtained in a survey,is given below:

$\begin{matrix} Size & 38 & 39 & 40 & 41 & 42 & 43 & 44 & Total Number of persons (wearing it) & 26 & 39 & 20 & 15 & 13 & 7 & 5 & 125 \end{matrix}$

Find the modal shirt sizes,as observed from the survey.

Discussion

3408.	In a city,there are 1200 lamp posts. The radius of each lamp post is 7cm and height is 12m.find the total cost of painting the curved surface area of all the lamp posts at the rate of ₹24 per m
Answer» In a city,there are 1200 lamp posts. The radius of each lamp post is 7cm and height is 12m.find the total cost of painting the curved surface area of all the lamp posts at the rate of ₹24 per m

Discussion

3409.	Question 43Name all the line segments shown in the figure given below.
Answer» Question 43 Name all the line segments shown in the figure given below.

3409.

Question 43Name all the line segments shown in the figure given below.

Answer»

Question 43

Name all the line segments shown in the figure given below.

Discussion

3410.	How is 625 represented as a decimal?
Answer» How is $\frac{6}{25}$ represented as a decimal?

Discussion

3411.	Using prime factorization, find the square root of 11025.
Answer» Using prime factorization, find the square root of 11025.

Discussion

3412.	19. Solve the following for x and y: m/x - n/y = a qx - py = 0 x,y is not = 0
Answer» 19. Solve the following for x and y: m/x - n/y = a qx - py = 0 x,y is not = 0

Discussion

3413.	Find the product:(3x – 5y + 4) (9x2 + 25y2 + 15xy − 20y + 12x + 16)
Answer» Find the product: (3x – 5y + 4) (9x² + 25y² + 15xy − 20y + 12x + 16)

Discussion

3414.

Journalise the following transactions of Satish, Noida (UP): 2019 ₹ Jan 1 Started business with cash 40,000 Jan 2 Opened Bank Account by cheque from Savings Account 60,000 Jan 3 Bought goods from M/s. S. Singh & Co., Delhi 20,000 Jan 4 Introduced additional capital by cheque 5,000 Jan 4 Purchased computer against cheque from Computer Mart, Noida 15,000 Jan 6 Paid for postage stamps 150 Jan 8 Sold goods for cash 4,000 Jan 9 Sold goods to M/s Sharda & Co., Delhi 10,000 Jan 15 Paid the due amount to M/s S. Singh & Co. after availing discount of ₹ 400 Jan 25 Sold goods to M/s Ray & Co., Kolkata 5,600 Jan 27 Received cheque from M/s Sharda & Co. in full settlement of amount due from them 11,000 Jan 31 Paid for electricity charges 1,000 Jan 31 Paid rent of building by cheque. Half of the building is used by the proprietor for residential use. 5,000 Jan 31 Drew for personal use 3,500

Answer» Journalise the following transactions of Satish, Noida (UP):

2019		₹
Jan 1	Started business with cash	40,000
Jan 2	Opened Bank Account by cheque from Savings Account	60,000
Jan 3	Bought goods from M/s. S. Singh & Co., Delhi	20,000
Jan 4	Introduced additional capital by cheque	5,000
Jan 4	Purchased computer against cheque from Computer Mart, Noida	15,000
Jan 6	Paid for postage stamps	150
Jan 8	Sold goods for cash	4,000
Jan 9	Sold goods to M/s Sharda & Co., Delhi	10,000
Jan 15	Paid the due amount to M/s S. Singh & Co. after availing discount of ₹ 400
Jan 25	Sold goods to M/s Ray & Co., Kolkata	5,600
Jan 27	Received cheque from M/s Sharda & Co. in full settlement of amount due from them	11,000
Jan 31	Paid for electricity charges	1,000
Jan 31	Paid rent of building by cheque. Half of the building is used by the proprietor for residential use.	5,000
Jan 31	Drew for personal use	3,500

Discussion

3415.	The area of trapezium whose parallel sides are 57 cm and 39 cm and the distance between them is 28 cm is:
Answer» The area of trapezium whose parallel sides are 57 cm and 39 cm and the distance between them is 28 cm is:

Discussion

3416.	A discount of 25% on one shirt is the same as discount of 50% on a second shirt. The costs of the two shirts can be:
Answer» A discount of 25% on one shirt is the same as discount of 50% on a second shirt. The costs of the two shirts can be:

Discussion

3417.	Find out the wrong number in the series given below :1,2,4,9,21,49,106
Answer» Find out the wrong number in the series given below : $1, 2, 4, 9, 21, 49, 106$

Discussion

3418.	If the red arrow and the blue arrow are congruent, which of the following is/are correct?
Answer» If the red arrow and the blue arrow are congruent, which of the following is/are correct?

Discussion

3419.	Question 5The daily income of a sample of 50 employee are tabulated as follows.Income(in~Rs) 1−200201−400401−600601−800Number of employees1415147Find the mean daily income of employees.
Answer» Question 5 The daily income of a sample of 50 employee are tabulated as follows. $\begin{matrix} Income(in~Rs) & 1 - 200 & 201 - 400 & 401 - 600 & 601 - 800 Number of employees & 14 & 15 & 14 & 7 \end{matrix}$ Find the mean daily income of employees.

Discussion

3420.	An item marked at ₹840 is sold at a discount of 15%. Find the selling price of the item.
Answer» An item marked at ₹840 is sold at a discount of 15%. Find the selling price of the item.

Discussion

3421.	33. In ΔABC, if AB = AC/2 = BC/root3 , then Ange C = ______
Answer» 33. In ΔABC, if AB = AC/2 = BC/root3 , then Ange C = ______

Discussion

3422.	Jackson bought a book for $10 and 5 pens. He spent a total of $85. Find the cost of each pen?$
Answer» Jackson bought a book for $$ 10$ and 5 pens. He spent a total of $$ 85$ . Find the cost of each pen? $

Discussion

3423.	What are simple equations?
Answer» What are simple equations?

Discussion

3424.	Question 9(b) Replace the blank with an integer to make it a true statement. 5 × ___ = - 35
Answer» Question 9(b) Replace the blank with an integer to make it a true statement. 5 $\times$ ___ = - 35

Discussion

3425.	Question 85 (i) A triangle is made up of 2 red sticks and 1 blue stick. The length of a red stick is given by r and that of a blue stick is given by b. Using this information, write an expression for the total length of sticks in the pattern given below
Answer» Question 85 (i) A triangle is made up of 2 red sticks and 1 blue stick. The length of a red stick is given by r and that of a blue stick is given by b. Using this information, write an expression for the total length of sticks in the pattern given below

3425.

Question 85 (i) A triangle is made up of 2 red sticks and 1 blue stick. The length of a red stick is given by r and that of a blue stick is given by b. Using this information, write an expression for the total length of sticks in the pattern given below

Answer»

Question 85 (i)

A triangle is made up of 2 red sticks and 1 blue stick.

The length of a red stick is given by r and that of a blue stick is given by b. Using this information, write an expression for the total length of sticks in the pattern given below

Discussion

3426.	Three consecutive odd integers are such that when they are taken in increasing order and multiplied by 3, 4 and 5 respectively, they add up to 112. Find these numbers. [2 MARKS]
Answer» Three consecutive odd integers are such that when they are taken in increasing order and multiplied by 3, 4 and 5 respectively, they add up to 112. Find these numbers. [2 MARKS]

Discussion

3427.	35. 2x+3y=8and xy =2 Find value of, i) 8x+27y ii) 2x-3y iii)8x-27y
Answer» 35. 2x+3y=8and xy =2 Find value of, i) 8x+27y ii) 2x-3y iii)8x-27y

Discussion

3428.	Use the sign of >,< or = in the box to make the statements true. (−3)+7−(19) □ 15−8+(−9)
Answer» Use the sign of $>, <$ or $=$ in the box to make the statements true. $(- 3) + 7 - (19) □ 15 - 8 + (- 9)$

Discussion

3429.	Alex dyes dresses. He had to dye 30 dresses. He has so far finished 20 dresses. What fraction of dresses are still left ?
Answer» Alex dyes dresses. He had to dye 30 dresses. He has so far finished 20 dresses. What fraction of dresses are still left ?

Discussion

3430.	Vidya purchased violin at RS 10000 . A vat of 10% is applicable on violin. The shopkeeper offered 10% discount on marked price. How much Vidya paid for violin ?
Answer» Vidya purchased violin at RS 10000 . A vat of 10% is applicable on violin. The shopkeeper offered 10% discount on marked price. How much Vidya paid for violin ?

Discussion

3431.	If the area covered in blue colour is 12 sq. cm, the area covered by the yellow colour is ______ sq. cm.12
Answer» If the area covered in blue colour is 12 sq. cm, the area covered by the yellow colour is ______ sq. cm. 12

Discussion

3432.	Two different machines are used to manufacture a product. The first machine makes the top part, 14 in each batch, and the second machine makes the bottom part, 16 in each batch. Each top part is assembled with the bottom part and released to the sales department. Find the minimum number of product needs to be produced such that no unassembled parts are left.
Answer» Two different machines are used to manufacture a product. The first machine makes the top part, 14 in each batch, and the second machine makes the bottom part, 16 in each batch. Each top part is assembled with the bottom part and released to the sales department. Find the minimum number of product needs to be produced such that no unassembled parts are left.

Discussion

3433.	An architect drew a scaled-down plan of a building. On the map, the dimensions of a room is written as 5 cm ×4 cm. If the scale used by him is, 2 cm = 100 m, what will be the actual dimensions of the room?
Answer» An architect drew a scaled-down plan of a building. On the map, the dimensions of a room is written as $5 c m \times 4 c m$ . If the scale used by him is, 2 cm = 100 m, what will be the actual dimensions of the room?

Discussion

3434.	The trapeziums making up the roofing sheet are all of equal area. If the height of one trapezium is 5 m and the sum of their parallel sides is 44 m, find the total area of the roofing sheet in the picture given below.
Answer» The trapeziums making up the roofing sheet are all of equal area. If the height of one trapezium is 5 m and the sum of their parallel sides is 44 m, find the total area of the roofing sheet in the picture given below.

Discussion

3435.	in double slit experiment find the separation between the slits if the separation of images of slits is 16mm and 9mm respectively then find separation between slits is?
Answer» in double slit experiment find the separation between the slits if the separation of images of slits is 16mm and 9mm respectively then find separation between slits is?

Discussion

3436.	What is the median of first ten odd numbers?
Answer» What is the median of first ten odd numbers?

Discussion

3437.	A gardener wants to fence a circular garden of diameter 21 m. Find the length of the rope he needs to purchase, if he makes 2 rounds of fence. Also find the costs of the rope, if it cost Rs. 4 per meter. (Take π=227)
Answer» A gardener wants to fence a circular garden of diameter $21 m .$ Find the length of the rope he needs to purchase, if he makes $2$ rounds of fence. Also find the costs of the rope, if it cost $R s . 4$ per meter. (Take $π = \frac{22}{7}$ )

Discussion

3438.	A swimming pool can be filled in 4 hours by 8 pumps of the same type how many such pumps are required, if the pool is to be filled in 223 hours?
Answer» A swimming pool can be filled in 4 hours by 8 pumps of the same type how many such pumps are required, if the pool is to be filled in $2 \frac{2}{3}$ hours?

Discussion

3439.	In the given figure, if yx=5 and zx=4, then the value of x∘ is(a) 8∘(b) 18∘(c) 12∘(d) 15∘
Answer» In the given figure, if $\frac{y}{x} = 5$ and $\frac{z}{x} = 4$ , then the value of $x^{\circ}$ is (a) $8^{\circ}$ (b) $18^{\circ}$ (c) $12^{\circ}$ (d) $15^{\circ}$

Discussion

3440.	Choose the image in which shaded part represents the fraction 14?
Answer» Choose the image in which shaded part represents the fraction $\frac{1}{4} ?$

Discussion

3441.	Find the total cost of levelling the shaded path of uniform width 2 metres, laid in the rectangular field shown below, if the rate per m2 is ₹100.
Answer» Find the total cost of levelling the shaded path of uniform width 2 metres, laid in the rectangular field shown below, if the rate per m2 is ₹100.

Discussion

3442.	A box of cereal has a marked price of $ 10 which is offered at 30 % discount. The price at which you can buy that box of cereal is $
Answer» A box of cereal has a marked price of $$ 10$ which is offered at $30 %$ discount. The price at which you can buy that box of cereal is $$$

Discussion

3443.

Record the following transactions in the Journal of Ashoka Furniture Traders: 2018 ₹ Jan 1 Started business with cash 50,000 Jan 2 Deposited into bank from his Savings Account 3,50,000 Jan 10 Purchased machinery of ₹ 1,00,000. An old machine (personal) valued at ₹15,000 was given in exchange and balance was paid by cheque. IGST was levied and charged 12% Jan 15 Paid installation charges for machinery 2,000 Jan 20 Purchased timber from Singh & Co. of the list price of ₹ 20,000 plus CGST and SGST 6% each He allowed 10% Trade Discount. Jan 25 Timber costing ₹ 5,000 was used for furnishing the office Jan 31 Sold furniture to Rakesh of the list price of ₹ 10,000 and allowed him 10% Trade Discount. Charged CGST and SGST 6% each Jan 31 Old furniture valued at ₹ 500 was taken from Rakesh in exchange. CGST and SGST 6% each was paid. Feb 10 Sent cheque to Singh & Co. in full settlement 19,000 Feb 15 Received from Rakesh in full and final settlement 9,000 Feb 20 Paid wages 15,000 Feb 25 Issued a cheque for ₹ 5,000 in favour of the landlord for rent of February.

Answer» Record the following transactions in the Journal of Ashoka Furniture Traders:


2018		₹
Jan 1	Started business with cash	50,000
Jan 2	Deposited into bank from his Savings Account	3,50,000
Jan 10	Purchased machinery of ₹ 1,00,000. An old machine (personal) valued at ₹15,000 was given in exchange and balance was paid by cheque. IGST was levied and charged 12%
Jan 15	Paid installation charges for machinery	2,000
Jan 20	Purchased timber from Singh & Co. of the list price of ₹ 20,000 plus CGST and SGST 6% each He allowed 10% Trade Discount.
Jan 25	Timber costing ₹ 5,000 was used for furnishing the office
Jan 31	Sold furniture to Rakesh of the list price of ₹ 10,000 and allowed him 10% Trade Discount. Charged CGST and SGST 6% each
Jan 31	Old furniture valued at ₹ 500 was taken from Rakesh in exchange. CGST and SGST 6% each was paid.
Feb 10	Sent cheque to Singh & Co. in full settlement	19,000
Feb 15	Received from Rakesh in full and final settlement	9,000
Feb 20	Paid wages	15,000
Feb 25	Issued a cheque for ₹ 5,000 in favour of the landlord for rent of February.

Discussion

3444.	Mark the correct alternative in the following question:x2×2y3×5x3y2 is equal toa 10x2y5 b 10x5y2 c 10x5y5 d x5y5
Answer» Mark the correct alternative in the following question: $x^{2} \times 2 y^{3} \times 5 x^{3} y^{2} is equal to (a) 10 x^{2} y^{5} (b) 10 x^{5} y^{2} (c) 10 x^{5} y^{5} (d) x^{5} y^{5}$

Discussion

3445.	Geetha solves of 30 mathematical problems. How many problems has she not solved?
Answer» Geetha solves of 30 mathematical problems. How many problems has she not solved?

Discussion

3446.	Find the square root of 1369.
Answer» Find the square root of 1369.

Discussion

3447.	Question 83 (a) A wire is (7x -3) metres long. A length of (3x -4) metres is cut for use. Now, answer the following question: How much wire is left?
Answer» Question 83 (a) A wire is (7x -3) metres long. A length of (3x -4) metres is cut for use. Now, answer the following question: How much wire is left?

3447.

Question 83 (a) A wire is (7x -3) metres long. A length of (3x -4) metres is cut for use. Now, answer the following question: How much wire is left?

Answer»

Question 83 (a)

A wire is (7x -3) metres long. A length of (3x -4) metres is cut for use. Now, answer the following question:

How much wire is left?

Discussion

3448.	Question 31Fill in the blanks to make the statements true.The square of 5.5 is ___
Answer» Question 31 Fill in the blanks to make the statements true. The square of 5.5 is ___

3448.

Question 31Fill in the blanks to make the statements true.The square of 5.5 is ___

Answer»

Question 31

Fill in the blanks to make the statements true.

The square of 5.5 is ___

Discussion

3449.	Evaluate :2022
Answer» Evaluate : $202^{2}$

Discussion

3450.	Which of the following is incorrect?
Answer» Which of the following is incorrect?

Discussion

Explore topic-wise InterviewSolutions in .

Question 49___of a solid is the measurement of the space occupied by it.

Sum of the two numbers is 4 more than the twice of difference of the two numbers. If one of the two numbers is three more than the other number, then find the numbers.

If C invests Rs.5000 in a business and D joins him after 7 months investing Rs.12000, find the difference in the profit share of C and D after 1 year?

Choose the figure that has all the points on its perimeter equidistant from the center.

A square is made of 5 identical rectangles. The perimeter of each rectangle is 36 cm. What is the area of the square?

The demand for different shirt sizes,as obtained in a survey,is given below:Size38394041424344TotalNumber of persons (wearing it)263920151375125Find the modal shirt sizes,as observed from the survey.

In a city,there are 1200 lamp posts. The radius of each lamp post is 7cm and height is 12m.find the total cost of painting the curved surface area of all the lamp posts at the rate of ₹24 per m

Question 43Name all the line segments shown in the figure given below.

How is 625 represented as a decimal?

Using prime factorization, find the square root of 11025.

19. Solve the following for x and y: m/x - n/y = a qx - py = 0 x,y is not = 0

Find the product:(3x – 5y + 4) (9x2 + 25y2 + 15xy − 20y + 12x + 16)

The area of trapezium whose parallel sides are 57 cm and 39 cm and the distance between them is 28 cm is:

A discount of 25% on one shirt is the same as discount of 50% on a second shirt. The costs of the two shirts can be:

Find out the wrong number in the series given below :1,2,4,9,21,49,106

If the red arrow and the blue arrow are congruent, which of the following is/are correct?

Question 5The daily income of a sample of 50 employee are tabulated as follows.Income(in~Rs) 1−200201−400401−600601−800Number of employees1415147Find the mean daily income of employees.

An item marked at ₹840 is sold at a discount of 15%. Find the selling price of the item.

33. In ΔABC, if AB = AC/2 = BC/root3 , then Ange C = ______

Jackson bought a book for $10 and 5 pens. He spent a total of $85. Find the cost of each pen?$

What are simple equations?

Question 9(b) Replace the blank with an integer to make it a true statement. 5 × ___ = - 35

Question 85 (i) A triangle is made up of 2 red sticks and 1 blue stick. The length of a red stick is given by r and that of a blue stick is given by b. Using this information, write an expression for the total length of sticks in the pattern given below

Three consecutive odd integers are such that when they are taken in increasing order and multiplied by 3, 4 and 5 respectively, they add up to 112. Find these numbers. [2 MARKS]

35. 2x+3y=8and xy =2 Find value of, i) 8x+27y ii) 2x-3y iii)8x-27y

Use the sign of &gt;,&lt; or = in the box to make the statements true. (−3)+7−(19) □ 15−8+(−9)

Alex dyes dresses. He had to dye 30 dresses. He has so far finished 20 dresses. What fraction of dresses are still left ?

Vidya purchased violin at RS 10000 . A vat of 10% is applicable on violin. The shopkeeper offered 10% discount on marked price. How much Vidya paid for violin ?

If the area covered in blue colour is 12 sq. cm, the area covered by the yellow colour is ______ sq. cm.12

An architect drew a scaled-down plan of a building. On the map, the dimensions of a room is written as 5 cm ×4 cm. If the scale used by him is, 2 cm = 100 m, what will be the actual dimensions of the room?

The trapeziums making up the roofing sheet are all of equal area. If the height of one trapezium is 5 m and the sum of their parallel sides is 44 m, find the total area of the roofing sheet in the picture given below.

in double slit experiment find the separation between the slits if the separation of images of slits is 16mm and 9mm respectively then find separation between slits is?

What is the median of first ten odd numbers?

A gardener wants to fence a circular garden of diameter 21 m. Find the length of the rope he needs to purchase, if he makes 2 rounds of fence. Also find the costs of the rope, if it cost Rs. 4 per meter. (Take π=227)

A swimming pool can be filled in 4 hours by 8 pumps of the same type how many such pumps are required, if the pool is to be filled in 223 hours?

In the given figure, if yx=5 and zx=4, then the value of x∘ is(a) 8∘(b) 18∘(c) 12∘(d) 15∘

Choose the image in which shaded part represents the fraction 14?

Find the total cost of levelling the shaded path of uniform width 2 metres, laid in the rectangular field shown below, if the rate per m2 is ₹100.

A box of cereal has a marked price of $ 10 which is offered at 30 % discount. The price at which you can buy that box of cereal is $

Mark the correct alternative in the following question:x2×2y3×5x3y2 is equal toa 10x2y5 b 10x5y2 c 10x5y5 d x5y5

Geetha solves of 30 mathematical problems. How many problems has she not solved?

Find the square root of 1369.

Question 83 (a) A wire is (7x -3) metres long. A length of (3x -4) metres is cut for use. Now, answer the following question: How much wire is left?

Question 31Fill in the blanks to make the statements true.The square of 5.5 is ___

Evaluate :2022

Which of the following is incorrect?

Use the sign of >,< or = in the box to make the statements true. (−3)+7−(19) □ 15−8+(−9)