19743 + Interview Questions in Mathematics Page 146 InterviewSolution

7251.	Solve the equation x2+3x+5=0
Answer» Solve the equation $x^{2} + 3 x + 5 = 0$

Discussion

7252.	The total length of the pencil is .
Answer» The total length of the pencil is .

Discussion

7253.	how to determine direction of cross product(eg -i× j, j×)
Answer» how to determine direction of cross product(eg -i× j, j×)

Discussion

7254.	Below pie chart shows the household expenses.If the monthly salary of joseph is ₹50,000 then select the sector on which ₹9,000 is spent.
Answer» $Below pie chart shows the household expenses.$ If the monthly salary of joseph is ₹50,000 then select the sector on which ₹9,000 is spent.

Discussion

7255.	Question 42 In the following question, fill in the blanks with correct symbol >, < or =. The standard form of rational number - 1 is __.
Answer» Question 42 In the following question, fill in the blanks with correct symbol >, < or =. The standard form of rational number - 1 is __.

7255.

Question 42 In the following question, fill in the blanks with correct symbol >, < or =. The standard form of rational number - 1 is __.

Answer»

Question 42

In the following question, fill in the blanks with correct symbol >, < or =.

The standard form of rational number - 1 is __.

Discussion

7256.	The area of a △ ABC is a2−(b−c)2 then tan A is equal to
Answer» The area of a $△$ ABC is $a^{2} - (b - c)^{2}$ then tan A is equal to

Discussion

7257.	Contruct the angle bisector of ∠XPB?
Answer» Contruct the angle bisector of ∠XPB?

Discussion

7258.	Three cubes each of dimension 3 x 3 x 3 cm are placed side by side. The dimensions of the resulting figure obtained will be
Answer» Three cubes each of dimension 3 x 3 x 3 cm are placed side by side. The dimensions of the resulting figure obtained will be

Discussion

7259.	The area of a square field is 1hectare.what is it perimeter
Answer» The area of a square field is 1hectare.what is it perimeter

Discussion

7260.	Bisect the given angles and measure the bisected angles in the following:∠XYZ = 80°
Answer» Bisect the given angles and measure the bisected angles in the following: ∠XYZ = 80°

7260.

Bisect the given angles and measure the bisected angles in the following:∠XYZ = 80°

Answer»

Bisect the given angles and measure the bisected angles in the following:

∠XYZ = 80°

Discussion

7261.	Fill in the gap:(1) (2) (3) (4) (5)
Answer» Fill in the gap: (1) (2) (3) (4) (5)

7261.

Fill in the gap:(1) (2) (3) (4) (5)

Answer»

Fill in the gap:

(1)

(2)

(3)

(4)

(5)

Discussion

7262.	35 inches of a cardboard sheet is lost as scrap. What is the useful length in inches if the sheet is 6 yd long?
Answer» $35 inches of a cardboard sheet is lost$ $as scrap.$ $What is the useful length in inches if$ $the sheet is 6 yd long?$

Discussion

7263.	Question 69The areas of two circles are in the ratio 49 : 64. Find the ratio of their circumferences.
Answer» Question 69 The areas of two circles are in the ratio 49 : 64. Find the ratio of their circumferences.

7263.

Question 69The areas of two circles are in the ratio 49 : 64. Find the ratio of their circumferences.

Answer»

Question 69

The areas of two circles are in the ratio 49 : 64. Find the ratio of their circumferences.

Discussion

7264.	From the figure given below, find the weight of the mangoes.
Answer» From the figure given below, find the weight of the mangoes.

7264.

From the figure given below, find the weight of the mangoes.

Answer»

From the figure given below, find the weight of the mangoes.

Discussion

7265.

Hannah collected the data for types of birds that came into her garden for 20 minutes duration with the following notations: Name of Birds Notation Robin R Dove D Sparrow S Collected data set: {R D S S D D D R R}Find the height of the rectangular bar corresponding to category 'Dove' when the data set is plotted in a vertical bar graph. units.

Answer» Hannah collected the data for types of birds that came into her garden for 20 minutes duration with the following notations:

Name of Birds
Notation

Robin	R
Dove	D
Sparrow	S

Collected data set: {R D S S D D D R R}

Find the height of the rectangular bar corresponding to category 'Dove' when the data set is plotted in a vertical bar graph.

units.

Discussion

7266.	Which is the point where three medians intersect
Answer» Which is the point where three medians intersect

Discussion

7267.	Question 1 (i) Get the algebraic expression in the following case using variables, constants and arithmetic operations: Subtraction of z from y.
Answer» Question 1 (i) Get the algebraic expression in the following case using variables, constants and arithmetic operations: Subtraction of z from y.

7267.

Question 1 (i) Get the algebraic expression in the following case using variables, constants and arithmetic operations: Subtraction of z from y.

Answer»

Question 1 (i)

Get the algebraic expression in the following case using variables, constants and arithmetic operations:

Subtraction of z from y.

Discussion

7268.	Solve the following problems.An agent has helped to sell a site worth Rs. 60,000 at a commission of 2%. How much commission does he get?
Answer» Solve the following problems. An agent has helped to sell a site worth Rs. 60,000 at a commission of 2%. How much commission does he get?

7268.

Solve the following problems.An agent has helped to sell a site worth Rs. 60,000 at a commission of 2%. How much commission does he get?

Answer»

Solve the following problems.

An agent has helped to sell a site worth Rs. 60,000 at a commission of 2%. How much commission does he get?

Discussion

7269.	Simplify.(i) a6 ÷ a4 (ii) m5 ÷ m8 (iii) p3 ÷ p13 (iv) x10 ÷ x10
Answer» Simplify. (i) a⁶ ÷ a⁴(ii) m⁵ ÷ m⁸(iii) p³ ÷ p¹³ (iv) x¹⁰ ÷ x¹⁰

Discussion

7270.	Explain the operations represented by the above number line?
Answer» Explain the operations represented by the above number line?

Discussion

7271.	Question 66In the following question, state whether the given statements are true (T) or false (F).The multiplicative inverse of (−4)−2is (4)−2.
Answer» Question 66 In the following question, state whether the given statements are true (T) or false (F). The multiplicative inverse of $(- 4)^{- 2} i s (4)^{- 2}$ .

7271.

Question 66In the following question, state whether the given statements are true (T) or false (F).The multiplicative inverse of (−4)−2is (4)−2.

Answer»

Question 66

In the following question, state whether the given statements are true (T) or false (F).

The multiplicative inverse of $(- 4)^{- 2} i s (4)^{- 2}$ .

Discussion

7272.	Evaluate (13+23+33+43)−32.
Answer» Evaluate $(1^{3} + 2^{3} + 3^{3} + 4^{3})^{\frac{- 3}{2}} .$

Discussion

7273.	There are 150 birds in a zoo, out of which 45 birds are migratory. 35 of the total birds are of Indian origin. Which kind of birds are more in number in the zoo?
Answer» There are $150$ birds in a zoo, out of which $45$ birds are migratory. $\frac{3}{5}$ of the total birds are of Indian origin. Which kind of birds are more in number in the zoo?

Discussion

7274.	Identify from the following the pure recurring decimal:
Answer» Identify from the following the pure recurring decimal:

Discussion

7275.	4 ( m+3)=18
Answer» 4 ( m+3)=18

Discussion

7276.	Burak has organized an event of planting trees on the upcoming World Environment Day. He wants to plant same number of trees in each row. Number of plants in each row can be 7 or 9 or 11. The minimum number of trees, required for plantation, is
Answer» Burak has organized an event of planting trees on the upcoming World Environment Day. He wants to plant same number of trees in each row. Number of plants in each row can be 7 or 9 or 11. The minimum number of trees, required for plantation, is

Discussion

7277.	What is the ratio of the areas of a circle and an equilateral triangle whose diameter and a side are respectively equal?
Answer» What is the ratio of the areas of a circle and an equilateral triangle whose diameter and a side are respectively equal?

Discussion

7278.	What is the absolute value of a fraction ?
Answer» What is the absolute value of a fraction ?

Discussion

7279.	Construct triangles of the measures given below.In the right-angled ∆STU, hypotenuse SU = 5 cm and l(ST) = 4 cm.
Answer» Construct triangles of the measures given below. In the right-angled ∆STU, hypotenuse SU = 5 cm and l(ST) = 4 cm.

Discussion

7280.	Express 343 in exponential form.
Answer» Express 343 in exponential form.

Discussion

7281.	Question 5 (i) Find the perimeters of ΔABE,
Answer» Question 5 (i) Find the perimeters of $Δ A B E,$

Discussion

7282.	PQRS is a parallelogram (see the given figure). QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find:(a) the area of the parallelogram PQRS(b) QN, if PS = 8 cm
Answer» PQRS is a parallelogram (see the given figure). QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find: (a) the area of the parallelogram PQRS (b) QN, if PS = 8 cm

7282.

PQRS is a parallelogram (see the given figure). QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find:(a) the area of the parallelogram PQRS(b) QN, if PS = 8 cm

Answer»

PQRS is a parallelogram (see the given figure). QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find:

(a) the area of the parallelogram PQRS

(b) QN, if PS = 8 cm

Discussion

7283.

Anna was watching her favorite show. She noted down the duration of advertisements that came in between. Product Duration Toothpaste 1 min 30 sec Soap 2 min 45 sec Cookies 45 sec Pen 1 min 30 sec Find the actual duration of the show if she watched it from 8:00 to 8:30 as a fraction.

Answer» Anna was watching her favorite show. She noted down the duration of advertisements that came in between.

Product	Duration
Toothpaste	1 min 30 sec
Soap	2 min 45 sec
Cookies	45 sec
Pen	1 min 30 sec

Find the actual duration of the show if she watched it from 8:00 to 8:30 as a fraction.

Discussion

7284.	In Fig. 108, if AB \|\| CD then the value of x is(a) 87(b) 93(c) 147(d) 141
Answer» In Fig. 108, if AB \|\| CD then the value of x is (a) 87 (b) 93 (c) 147 (d) 141

Discussion

7285.	Mean, median and mode are the measures of ___
Answer» Mean, median and mode are the measures of ___

Discussion

7286.	Convert each of the following decimals into a fraction in its simplest form 0.24
Answer» Convert each of the following decimals into a fraction in its simplest form 0.24

7286.

Convert each of the following decimals into a fraction in its simplest form 0.24

Answer»

Convert each of the following decimals into a fraction in its simplest form

0.24

Discussion

7287.	Evaluate the exponential expression (−m)3×(−m)2, for m=3.
Answer» Evaluate the exponential expression $(- m)^{3} \times (- m)^{2}$ , for $m = 3$ .

Discussion

7288.	Statement 1: Regular polygons have finite lines of symmetry. Statement 2: Circle has infinite lines of symmetry. Statement 3: Circle is a polygon with infinite sides. Statement 4: Circle is a regular polygon with infinite sides. Which of the above statements is/are correct?
Answer» Statement 1: Regular polygons have finite lines of symmetry. Statement 2: Circle has infinite lines of symmetry. Statement 3: Circle is a polygon with infinite sides. Statement 4: Circle is a regular polygon with infinite sides. Which of the above statements is/are correct?

7288.

Statement 1: Regular polygons have finite lines of symmetry. Statement 2: Circle has infinite lines of symmetry. Statement 3: Circle is a polygon with infinite sides. Statement 4: Circle is a regular polygon with infinite sides. Which of the above statements is/are correct?

Answer»

Statement 1: Regular polygons have finite lines of symmetry.

Statement 2: Circle has infinite lines of symmetry.

Statement 3: Circle is a polygon with infinite sides.

Statement 4: Circle is a regular polygon with infinite sides.

Which of the above statements is/are correct?

Discussion

7289.	Fill in all the blanks to make the statement true.(i) 1m =____cm(ii) 1 sq. cm =____cm × 1cm(iii) 1 sq. m = 1m × _____ m = 100cm × _____ cm(iv) 1 sq.m = ___ sq. cm
Answer» Fill in all the blanks to make the statement true. (i) 1m =____cm (ii) 1 sq. cm =____cm × 1cm (iii) 1 sq. m = 1m × _____ m = 100cm × _____ cm (iv) 1 sq.m = ___ sq. cm

Discussion

7290.

Prepare a Sales Book from the following transactions of Hema Traders, Kolkata dealing in furniture. Open a Ledger Account also: 2018 April 1 Sold to M/s. Gupta Furniture House, Delhi: 100 Chairs ₹ 1,500 per chair 40 Tables ₹ 2,000 per table Less: Trade Discount 5% Charged IGST 12% April 10 Sold to M/s. Ajit Singh & Sons, Kolkata: 150 Desks ₹ 1,000 per desk 160 Chairs ₹ 1,500 per chair Less: Trade Discount 5% Charged CGST and SGST 6% each April 15 Sold to M/s. Ideal Furniture House, Darjeeling: 10 Sofa sets ₹ 75,000 each 5 Almirahs ₹ 3,000 each 25 Office Tables ₹ 4,000 each Less: Trade Discount 10% Charged CGST and SGST 6% each

Answer» Prepare a Sales Book from the following transactions of Hema Traders, Kolkata dealing in furniture. Open a Ledger Account also:

2018
April 1	Sold to M/s. Gupta Furniture House, Delhi:
	100 Chairs ₹ 1,500 per chair
	40 Tables ₹ 2,000 per table
	Less: Trade Discount 5%
	Charged IGST 12%
April 10	Sold to M/s. Ajit Singh & Sons, Kolkata:
	150 Desks ₹ 1,000 per desk
	160 Chairs ₹ 1,500 per chair
	Less: Trade Discount 5%
	Charged CGST and SGST 6% each
April 15	Sold to M/s. Ideal Furniture House, Darjeeling:
	10 Sofa sets ₹ 75,000 each
	5 Almirahs ₹ 3,000 each
	25 Office Tables ₹ 4,000 each
	Less: Trade Discount 10%
	Charged CGST and SGST 6% each

Discussion

7291.	8 pipes take 21 hrs to fill a drum. If 1 pipe is damaged, then find the total time taken to fill the drum is24
Answer» 8 pipes take 21 hrs to fill a drum. If 1 pipe is damaged, then find the total time taken to fill the drum is 24

Discussion

7292.	When a die is thrown, list the outcomes of an event of getting:(a) a prime number (b) not a prime number
Answer» When a die is thrown, list the outcomes of an event of getting: (a) a prime number (b) not a prime number

Discussion

7293.	The measure of the central angle in a pie chart is
Answer» The measure of the central angle in a pie chart is

Discussion

7294.	-4, -11, 0, 1, 8 and 47 are collectively classified as
Answer» -4, -11, 0, 1, 8 and 47 are collectively classified as

Discussion

7295.	Calculate 92÷14.18
Answer» Calculate $\frac{9}{2} \div \frac{1}{4}$ . 18

Discussion

7296.	Write 0.1234 in standard form.
Answer» Write 0.1234 in standard form.

Discussion

7297.	Twice of a number is added to four times of another number, then which of the following represents correct unchanging relation?
Answer» Twice of a number is added to four times of another number, then which of the following represents correct unchanging relation?

Discussion

7298.	Question 2(ii)Express the following numbers in usual form:4.5×104
Answer» Question 2(ii) Express the following numbers in usual form: $4.5 \times 10^{4}$

Discussion

7299.	11. the value of lim( x tends to 0) rt1-cos2x/x equals 1)0 2)1 3)rt2 4)does nt exist
Answer» 11. the value of lim( x tends to 0) rt1-cos2x/x equals 1)0 2)1 3)rt2 4)does nt exist

Discussion

7300.	Sasi rides a bike at a speed of 40 kmph for 20 km and 50 kmph for 10 km. Find the average speed.45
Answer» Sasi rides a bike at a speed of 40 kmph for 20 km and 50 kmph for 10 km. Find the average speed. 45

Discussion

Explore topic-wise InterviewSolutions in .

Solve the equation x2+3x+5=0

The total length of the pencil is .

how to determine direction of cross product(eg -i× j, j×)

Below pie chart shows the household expenses.If the monthly salary of joseph is ₹50,000 then select the sector on which ₹9,000 is spent.

Question 42 In the following question, fill in the blanks with correct symbol &gt;, &lt; or =. The standard form of rational number - 1 is __.

The area of a △ ABC is a2−(b−c)2 then tan A is equal to

Contruct the angle bisector of ∠XPB?

Three cubes each of dimension 3 x 3 x 3 cm are placed side by side. The dimensions of the resulting figure obtained will be

The area of a square field is 1hectare.what is it perimeter

Bisect the given angles and measure the bisected angles in the following:∠XYZ = 80°

Fill in the gap:(1) (2) (3) (4) (5)

35 inches of a cardboard sheet is lost as scrap. What is the useful length in inches if the sheet is 6 yd long?

Question 69The areas of two circles are in the ratio 49 : 64. Find the ratio of their circumferences.

From the figure given below, find the weight of the mangoes.

Which is the point where three medians intersect

Question 1 (i) Get the algebraic expression in the following case using variables, constants and arithmetic operations: Subtraction of z from y.

Solve the following problems.An agent has helped to sell a site worth Rs. 60,000 at a commission of 2%. How much commission does he get?

Simplify.(i) a6 ÷ a4 (ii) m5 ÷ m8 (iii) p3 ÷ p13 (iv) x10 ÷ x10

Explain the operations represented by the above number line?

Question 66In the following question, state whether the given statements are true (T) or false (F).The multiplicative inverse of (−4)−2is (4)−2.

Evaluate (13+23+33+43)−32.

There are 150 birds in a zoo, out of which 45 birds are migratory. 35 of the total birds are of Indian origin. Which kind of birds are more in number in the zoo?

Identify from the following the pure recurring decimal:

4 ( m+3)=18

Burak has organized an event of planting trees on the upcoming World Environment Day. He wants to plant same number of trees in each row. Number of plants in each row can be 7 or 9 or 11. The minimum number of trees, required for plantation, is

What is the ratio of the areas of a circle and an equilateral triangle whose diameter and a side are respectively equal?

What is the absolute value of a fraction ?

Construct triangles of the measures given below.In the right-angled ∆STU, hypotenuse SU = 5 cm and l(ST) = 4 cm.

Express 343 in exponential form.

Question 5 (i) Find the perimeters of ΔABE,

PQRS is a parallelogram (see the given figure). QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find:(a) the area of the parallelogram PQRS(b) QN, if PS = 8 cm

Anna was watching her favorite show. She noted down the duration of advertisements that came in between. Product Duration Toothpaste 1 min 30 sec Soap 2 min 45 sec Cookies 45 sec Pen 1 min 30 sec Find the actual duration of the show if she watched it from 8:00 to 8:30 as a fraction.

In Fig. 108, if AB || CD then the value of x is(a) 87(b) 93(c) 147(d) 141

Mean, median and mode are the measures of ___

Convert each of the following decimals into a fraction in its simplest form 0.24

Evaluate the exponential expression (−m)3×(−m)2, for m=3.

Statement 1: Regular polygons have finite lines of symmetry. Statement 2: Circle has infinite lines of symmetry. Statement 3: Circle is a polygon with infinite sides. Statement 4: Circle is a regular polygon with infinite sides. Which of the above statements is/are correct?

Fill in all the blanks to make the statement true.​(i) 1m =____cm​(ii) 1 sq. cm =____cm × 1cm(iii) 1 sq. m = 1m × _____ m = 100cm × _____ cm​(iv) 1 sq.m = ___ sq. cm

8 pipes take 21 hrs to fill a drum. If 1 pipe is damaged, then find the total time taken to fill the drum is24

When a die is thrown, list the outcomes of an event of getting:(a) a prime number (b) not a prime number

The measure of the central angle in a pie chart is

-4, -11, 0, 1, 8 and 47 are collectively classified as

Calculate 92÷14.18

Write 0.1234 in standard form.

Twice of a number is added to four times of another number, then which of the following represents correct unchanging relation?

Question 2(ii)Express the following numbers in usual form:4.5×104

11. the value of lim( x tends to 0) rt1-cos2x/x equals 1)0 2)1 3)rt2 4)does nt exist

Sasi rides a bike at a speed of 40 kmph for 20 km and 50 kmph for 10 km. Find the average speed.45

Question 42 In the following question, fill in the blanks with correct symbol >, < or =. The standard form of rational number - 1 is __.

Fill in all the blanks to make the statement true.(i) 1m =__cm(ii) 1 sq. cm =cm × 1cm(iii) 1 sq. m = 1m × _ m = 100cm × _ cm(iv) 1 sq.m = _ sq. cm