19743 + Interview Questions in Mathematics Page 47 InterviewSolution

2301.	Question 60 Fill in the blanks to make the statement true. When -16 is divided by ___ the quotient is 4.
Answer» Question 60 Fill in the blanks to make the statement true. When -16 is divided by ___ the quotient is 4.

2301.

Question 60 Fill in the blanks to make the statement true. When -16 is divided by ___ the quotient is 4.

Answer»

Question 60

Fill in the blanks to make the statement true.

When -16 is divided by ___ the quotient is 4.

2302.	In Fig. 59, the value of x is(a) 84(b) 74(c) 94(d) 57
Answer» In Fig. 59, the value of x is (a) 84 (b) 74 (c) 94 (d) 57

Discussion

2303.	Question 148 (vii) In the given figure, verify whether given pair of triangles is congruent by SAS congruence criterion (condition)? If congruent, write the congruence of the two triangles in symbolic form.
Answer» Question 148 (vii) In the given figure, verify whether given pair of triangles is congruent by SAS congruence criterion (condition)? If congruent, write the congruence of the two triangles in symbolic form.

2303.

Question 148 (vii) In the given figure, verify whether given pair of triangles is congruent by SAS congruence criterion (condition)? If congruent, write the congruence of the two triangles in symbolic form.

Answer»

Question 148 (vii)

In the given figure, verify whether given pair of triangles is congruent by SAS congruence criterion (condition)? If congruent, write the congruence of the two triangles in symbolic form.

Discussion

2304.	In ∆ABC, ∠A = 60°. Prove that BC2 = AB2 + AC2 − AB . AC.
Answer» In ∆ABC, ∠A = 60°. Prove that BC² = AB² + AC² − AB . AC.

Discussion

2305.	A path 1 m wide is built along the border and inside a squaregarden of side 30 m. Find: (i) the area of the path(ii) the cost of planting grass in the remaining portion of thegarden at the rate of Rs 40 per m2.
Answer» A path 1 m wide is built along the border and inside a square garden of side 30 m. Find: (i) the area of the path (ii) the cost of planting grass in the remaining portion of the garden at the rate of Rs 40 per m².

2305.

A path 1 m wide is built along the border and inside a squaregarden of side 30 m. Find: (i) the area of the path(ii) the cost of planting grass in the remaining portion of thegarden at the rate of Rs 40 per m2.

Answer»

A path 1 m wide is built along the border and inside a square
garden of side 30 m. Find:

(i) the area of the path

(ii) the cost of planting grass in the remaining portion of the
garden at the rate of Rs 40 per m².

Discussion

2306.	Draw, wherever possible, a rough sketch of (i) a triangle with both line and rotational symmetries of ordermore than 1.(ii) a triangle with only line symmetry and no rotational symmetryof order more than 1.(iii) a quadrilateral with a rotational symmetry of order morethan 1 but not a line symmetry.(iv) a quadrilateral with line symmetry but not a rotationalsymmetry of order more than 1.
Answer» Draw, wherever possible, a rough sketch of (i) a triangle with both line and rotational symmetries of order more than 1. (ii) a triangle with only line symmetry and no rotational symmetry of order more than 1. (iii) a quadrilateral with a rotational symmetry of order more than 1 but not a line symmetry. (iv) a quadrilateral with line symmetry but not a rotational symmetry of order more than 1.

2306.

Draw, wherever possible, a rough sketch of (i) a triangle with both line and rotational symmetries of ordermore than 1.(ii) a triangle with only line symmetry and no rotational symmetryof order more than 1.(iii) a quadrilateral with a rotational symmetry of order morethan 1 but not a line symmetry.(iv) a quadrilateral with line symmetry but not a rotationalsymmetry of order more than 1.

Answer»

Draw, wherever possible, a rough sketch of

(i) a triangle with both line and rotational symmetries of order
more than 1.

(ii) a triangle with only line symmetry and no rotational symmetry
of order more than 1.

(iii) a quadrilateral with a rotational symmetry of order more
than 1 but not a line symmetry.

(iv) a quadrilateral with line symmetry but not a rotational
symmetry of order more than 1.

Discussion

2307.	Match the following inequality with the solution.
Answer» Match the following inequality with the solution.

Discussion

2308.	Cost price of a bicycle is Rs 4000. If the profit to be made by selling it to the customer is 40%, what should be the selling price?
Answer» Cost price of a bicycle is Rs 4000. If the profit to be made by selling it to the customer is 40 $%$ , what should be the selling price?

Discussion

2309.	Which of the following equations has a solution of x = 3?
Answer» Which of the following equations has a solution of x = 3?

Discussion

2310.	"लोगों की बंदूकों के कारतूस खत्म हो गए।" ऊपर का यह वाक्य इसी पाठ का है जिसमें आदिवासियों के द्वारा बंदूकों व कारतूसों के प्रयोग का भी प्रमाण मिलता है। इस पाठ की खोज़बीन करो तो पाओगे कि आदिवासी "पुलिस चौकियों या सेना पर हमला कर देते थे और उनके अस्त्र-शस्त्र लूटकर भाग जाते थे।" अब तुम ज़रूर समझ गए होगे कि आदिवासियों ने बंदूकों व कारतूसों का प्रयोग कैसे किया। 'कारतूसों' ने सन् 1857 में स्वतंत्रता की चिंगारी को फैलाने में बहुत महत्वपूर्ण भूमिका निभाई थी। समूह बनाकर इसके बारे में खोज़बीन करो। कक्षा के प्रत्येक समूह में से एक प्रतिनिधि सबको अपनी खोज़बीन के बारे में बताएगा।
Answer» "लोगों की बंदूकों के कारतूस खत्म हो गए।" ऊपर का यह वाक्य इसी पाठ का है जिसमें आदिवासियों के द्वारा बंदूकों व कारतूसों के प्रयोग का भी प्रमाण मिलता है। इस पाठ की खोज़बीन करो तो पाओगे कि आदिवासी "पुलिस चौकियों या सेना पर हमला कर देते थे और उनके अस्त्र-शस्त्र लूटकर भाग जाते थे।" अब तुम ज़रूर समझ गए होगे कि आदिवासियों ने बंदूकों व कारतूसों का प्रयोग कैसे किया। 'कारतूसों' ने सन् 1857 में स्वतंत्रता की चिंगारी को फैलाने में बहुत महत्वपूर्ण भूमिका निभाई थी। समूह बनाकर इसके बारे में खोज़बीन करो। कक्षा के प्रत्येक समूह में से एक प्रतिनिधि सबको अपनी खोज़बीन के बारे में बताएगा।

2310.

"लोगों की बंदूकों के कारतूस खत्म हो गए।" ऊपर का यह वाक्य इसी पाठ का है जिसमें आदिवासियों के द्वारा बंदूकों व कारतूसों के प्रयोग का भी प्रमाण मिलता है। इस पाठ की खोज़बीन करो तो पाओगे कि आदिवासी "पुलिस चौकियों या सेना पर हमला कर देते थे और उनके अस्त्र-शस्त्र लूटकर भाग जाते थे।" अब तुम ज़रूर समझ गए होगे कि आदिवासियों ने बंदूकों व कारतूसों का प्रयोग कैसे किया। 'कारतूसों' ने सन् 1857 में स्वतंत्रता की चिंगारी को फैलाने में बहुत महत्वपूर्ण भूमिका निभाई थी। समूह बनाकर इसके बारे में खोज़बीन करो। कक्षा के प्रत्येक समूह में से एक प्रतिनिधि सबको अपनी खोज़बीन के बारे में बताएगा।

Answer»

"लोगों की बंदूकों के कारतूस खत्म हो गए।"

ऊपर का यह वाक्य इसी पाठ का है जिसमें आदिवासियों के द्वारा बंदूकों व कारतूसों के प्रयोग का भी प्रमाण मिलता है। इस पाठ की खोज़बीन करो तो पाओगे कि आदिवासी "पुलिस चौकियों या सेना पर हमला कर देते थे और उनके अस्त्र-शस्त्र लूटकर भाग जाते थे।" अब तुम ज़रूर समझ गए होगे कि आदिवासियों ने बंदूकों व कारतूसों का प्रयोग कैसे किया। 'कारतूसों' ने सन् 1857 में स्वतंत्रता की चिंगारी को फैलाने में बहुत महत्वपूर्ण भूमिका निभाई थी। समूह बनाकर इसके बारे में खोज़बीन करो। कक्षा के प्रत्येक समूह में से एक प्रतिनिधि सबको अपनी खोज़बीन के बारे में बताएगा।

Discussion

2311.	Which amongst the following symbolizes a fraction?
Answer» Which amongst the following symbolizes a fraction?

Discussion

2312.	Find the circumference of the circle from the figure. (Take π as 227)
Answer» Find the circumference of the circle from the figure. (Take $π$ as $\frac{22}{7}$ )

2312.

Find the circumference of the circle from the figure. (Take π as 227)

Answer»

Find the circumference of the circle from the figure.
(Take $π$ as $\frac{22}{7}$ )

Discussion

2313.	A rectangle is split into two triangles as shown. Will the sum of the perimeter of the two triangles be equal to the perimeter of the rectangle? Explain your answer.
Answer» A rectangle is split into two triangles as shown. Will the sum of the perimeter of the two triangles be equal to the perimeter of the rectangle? Explain your answer.

Discussion

2314.	The reciprocal of −12 is
Answer» The reciprocal of $\frac{- 1}{2}$ is

Discussion

2315.	P is any point within triangle ABC. Q is a point outside ABC such that angle CBQ=angle ABP and angle BCQ=angle BAP. Show that the triangles PBQ and ABC are similar.
Answer» P is any point within triangle ABC. Q is a point outside ABC such that angle CBQ=angle ABP and angle BCQ=angle BAP. Show that the triangles PBQ and ABC are similar.

Discussion

2316.	Find x, if 2x−6=12
Answer» $Find x, if 2 x - 6 = \frac{1}{2}$

Discussion

2317.	Question 1(iv)Carry out the multiplication of the expressions in each of the following pairs:a2−9,4a
Answer» Question 1(iv) Carry out the multiplication of the expressions in each of the following pairs: $a^{2} - 9, 4 a$

Discussion

2318.	37.If two vectors A & B are present ina cartesian plane such that sum of (A+B) is perpendicular to the difference (A-B). Then find the ratio of their magnitude.
Answer» 37.If two vectors A & B are present ina cartesian plane such that sum of (A+B) is perpendicular to the difference (A-B). Then find the ratio of their magnitude.

Discussion

2319.	Given that l∥m∥n in the given figure.Find the value of x and y
Answer» Given that $l ∥ m ∥ n$ in the given figure.Find the value of $x$ and $y$

Discussion

2320.	A linear polynomial is always a monomial.
Answer» A linear polynomial is always a monomial.

Discussion

2321.	Solve the following.Cost of 100g of coffee powder is Rs. 24 and 1kg of tea powder costs Rs.80. Find the ratio of the cost of coffee powder to the tea?
Answer» Solve the following. Cost of 100g of coffee powder is Rs. 24 and 1kg of tea powder costs Rs.80. Find the ratio of the cost of coffee powder to the tea?

2321.

Solve the following.Cost of 100g of coffee powder is Rs. 24 and 1kg of tea powder costs Rs.80. Find the ratio of the cost of coffee powder to the tea?

Answer»

Solve the following.

Cost of 100g of coffee powder is Rs. 24 and 1kg of tea powder costs Rs.80. Find the ratio of the cost of coffee powder to the tea?

Discussion

2322.	What is the distance covered by a vehicle travelling at 40 km/hr in hours?
Answer» What is the distance covered by a vehicle travelling at 40 km/hr in hours?

Discussion

2323.	Subtract the first rational number from the second in each of the following: (i) 38,58 (ii) −79,49 (iii) −211,−911 (iv)1113,−413 (v) 14,−38 (vi)−23,56 (vii) −67,−1314 (viii)−833,−722
Answer» Subtract the first rational number from the second in each of the following: (i) $\frac{3}{8}, \frac{5}{8}$ (ii) $\frac{- 7}{9}, \frac{4}{9}$ (iii) $\frac{- 2}{11}, \frac{- 9}{11}$ (iv) $\frac{11}{13}, \frac{- 4}{13}$ (v) $\frac{1}{4}, \frac{- 3}{8}$ (vi) $\frac{- 2}{3}, \frac{5}{6}$ (vii) $\frac{- 6}{7}, \frac{- 13}{14}$ (viii) $\frac{- 8}{33}, \frac{- 7}{22}$

2323.

Subtract the first rational number from the second in each of the following: (i) 38,58 (ii) −79,49 (iii) −211,−911 (iv)1113,−413 (v) 14,−38 (vi)−23,56 (vii) −67,−1314 (viii)−833,−722

Answer»

Subtract the first rational number from the second in each of the following:

(i) $\frac{3}{8}, \frac{5}{8}$

(ii) $\frac{- 7}{9}, \frac{4}{9}$

(iii) $\frac{- 2}{11}, \frac{- 9}{11}$

(iv) $\frac{11}{13}, \frac{- 4}{13}$

(v) $\frac{1}{4}, \frac{- 3}{8}$

(vi) $\frac{- 2}{3}, \frac{5}{6}$

(vii) $\frac{- 6}{7}, \frac{- 13}{14}$

(viii) $\frac{- 8}{33}, \frac{- 7}{22}$

Discussion

2324.	State whether the following statemnt is true or false.If two triangles are equal in perimeter, they must be congruent.
Answer» State whether the following statemnt is true or false. If two triangles are equal in perimeter, they must be congruent.

Discussion

2325.	What measure of angle must be subtracted from 183o to make it a supplementary angle of one-third of the given angle?
Answer» What measure of angle must be subtracted from $183^{o}$ to make it a supplementary angle of one-third of the given angle?

Discussion

2326.	The expression for the number of diagonals that we can make from one vertex of a n-sided polygon is
Answer» The expression for the number of diagonals that we can make from one vertex of a n-sided polygon is

Discussion

2327.	29. A tangent is parallel to a chord of a circle such that triangle is formed by joining point of contact and end point of chord that lies on circle. prove that the triangle formed is an isosceles triangle. A) hypochlorite B) perchlorate C) chlorite D) chlorate
Answer» 29. A tangent is parallel to a chord of a circle such that triangle is formed by joining point of contact and end point of chord that lies on circle. prove that the triangle formed is an isosceles triangle. A) hypochlorite B) perchlorate C) chlorite D) chlorate

Discussion

2328.	ABC and BDE are two equilateral triangles such that D is the point on BC. If BD : DC = 2 : 1, then the ratio of the area of ΔABC to that of the ΔBDE isOptions:9 : 44 : 93 : 22 : 3
Answer» ABC and BDE are two equilateral triangles such that D is the point on BC. If BD : DC = 2 : 1, then the ratio of the area of ΔABC to that of the ΔBDE is Options: 9 : 4 4 : 9 3 : 2 2 : 3

Discussion

2329.	Find thereciprocal of each of the following fractions. Classify thereciprocals as proper fractions, improper fractions and wholenumbers.(i) (ii) (iii) (iv) (v) (vi) (vii)
Answer» Find the reciprocal of each of the following fractions. Classify the reciprocals as proper fractions, improper fractions and whole numbers. (i) (ii) (iii) (iv) (v) (vi) (vii)

2329.

Find thereciprocal of each of the following fractions. Classify thereciprocals as proper fractions, improper fractions and wholenumbers.(i) (ii) (iii) (iv) (v) (vi) (vii)

Answer»

Find the
reciprocal of each of the following fractions. Classify the
reciprocals as proper fractions, improper fractions and whole
numbers.

(i) (ii) (iii)

(iv) (v) (vi)

(vii)

Discussion

2330.	Find the time taken for the following journeys: (a) 100 km at a speed of 25km/h. (b) 250 m at a speed of 5 m/s.
Answer» Find the time taken for the following journeys: (a) 100 km at a speed of 25km/h. (b) 250 m at a speed of 5 m/s.

2330.

Find the time taken for the following journeys: (a) 100 km at a speed of 25km/h. (b) 250 m at a speed of 5 m/s.

Answer»

Find the time taken for the following journeys:

(a) 100 km at a speed of 25km/h.

(b) 250 m at a speed of 5 m/s.

Discussion

2331.	Without simplifying the given expression state whether the given expression is an integer or not:68×12+[(−3)×68]+68. Also, find the additive inverse of the sum obtained.
Answer» Without simplifying the given expression state whether the given expression is an integer or not: $68 \times 12 + [(- 3) \times 68] + 68.$ Also, find the additive inverse of the sum obtained.

Discussion

2332.	Draw a number line and answer the following:If we are at –6 on the number line, in which direction should we move to reach –1?
Answer» Draw a number line and answer the following: If we are at –6 on the number line, in which direction should we move to reach –1?

2332.

Draw a number line and answer the following:If we are at –6 on the number line, in which direction should we move to reach –1?

Answer»

Draw a number line and answer the following:

If we are at –6 on the number line, in which direction should we move to reach –1?

Discussion

2333.	The six elements of a triangle are its ‘a’ sides and ‘b’ angles. Find the value of a + b.
Answer» The six elements of a triangle are its ‘a’ sides and ‘b’ angles. Find the value of a + b.

Discussion

2334.	Question 67 (xiii)Look at the shape given below and state if it is a polyhedron using Euler's formula.
Answer» Question 67 (xiii) Look at the shape given below and state if it is a polyhedron using Euler's formula.

Discussion

2335.	What number should be divided by 12 to obtain the greatest negative integer?
Answer» What number should be divided by $\frac{1}{2}$ to obtain the greatest negative integer?

2335.

What number should be divided by 12 to obtain the greatest negative integer?

Answer»

What number should be divided by $\frac{1}{2}$ to obtain the greatest negative integer?

Discussion

2336.	Question : 7Which of the following equations has x = 2 as a solution?(a) x + 2 = 5(b) x - 2 = 0(c) 2x + 1 = 0(d) x + 3 = 6
Answer» Question : 7 Which of the following equations has x = 2 as a solution? (a) x + 2 = 5 (b) x - 2 = 0 (c) 2x + 1 = 0 (d) x + 3 = 6

2336.

Question : 7Which of the following equations has x = 2 as a solution?(a) x + 2 = 5(b) x - 2 = 0(c) 2x + 1 = 0(d) x + 3 = 6

Answer»

Question : 7

Which of the following equations has x = 2 as a solution?

(a) x + 2 = 5

(b) x - 2 = 0

(c) 2x + 1 = 0

(d) x + 3 = 6

Discussion

2337.	Calculate the value of the given expression:9×26×17
Answer» Calculate the value of the given expression: $9 \times \frac{2}{6} \times \frac{1}{7}$

Discussion

2338.	show that the square of an integer is of the form 4q+1 for the some integer q
Answer» show that the square of an integer is of the form 4q+1 for the some integer q

Discussion

2339.	Given below are the temperatures (in ∘C) on 15th August in a city for different years. The temperature was taken in an interval of every two years and was tabulated below. The average temperature for each decade is also given. 1980s1990s2000s1980∣251990∣262000∣251982∣281992∣242002∣291984∣271994∣282004∣281986∣251996∣272006∣271988∣261998∣282008∣29Average in 1980s∣26.2Average in 1990s∣26.6Average in 2000s∣27.6 If the temperature for 15th August, 2010 is recorded, which of the temperatures given below would be considered abnormal for the city? (You may choose more than one answer).
Answer» Given below are the temperatures (in $^{\circ} C$ ) on $15^{t h}$ August in a city for different years. The temperature was taken in an interval of every two years and was tabulated below. The average temperature for each decade is also given. $\begin{matrix} 1980 s & 1990 s & 2000 s 1980 ∣ 25 & 1990 ∣ 26 & 2000 ∣ 25 1982 ∣ 28 & 1992 ∣ 24 & 2002 ∣ 29 1984 ∣ 27 & 1994 ∣ 28 & 2004 ∣ 28 1986 ∣ 25 & 1996 ∣ 27 & 2006 ∣ 27 1988 ∣ 26 & 1998 ∣ 28 & 2008 ∣ 29 A v e r a g e i n 1980 s ∣ 26.2 & A v e r a g e i n 1990 s ∣ 26.6 & A v e r a g e i n 2000 s ∣ 27.6 \end{matrix}$ If the temperature for $15^{t h}$ August, 2010 is recorded, which of the temperatures given below would be considered abnormal for the city? (You may choose more than one answer).

2339.

Given below are the temperatures (in ∘C) on 15th August in a city for different years. The temperature was taken in an interval of every two years and was tabulated below. The average temperature for each decade is also given. 1980s1990s2000s1980∣251990∣262000∣251982∣281992∣242002∣291984∣271994∣282004∣281986∣251996∣272006∣271988∣261998∣282008∣29Average in 1980s∣26.2Average in 1990s∣26.6Average in 2000s∣27.6 If the temperature for 15th August, 2010 is recorded, which of the temperatures given below would be considered abnormal for the city? (You may choose more than one answer).

Answer»

Given below are the temperatures (in $^{\circ} C$ ) on $15^{t h}$ August in a city for different years. The temperature was taken in an interval of every two years and was tabulated below. The average temperature for each decade is also given.

$\begin{matrix} 1980 s & 1990 s & 2000 s 1980 ∣ 25 & 1990 ∣ 26 & 2000 ∣ 25 1982 ∣ 28 & 1992 ∣ 24 & 2002 ∣ 29 1984 ∣ 27 & 1994 ∣ 28 & 2004 ∣ 28 1986 ∣ 25 & 1996 ∣ 27 & 2006 ∣ 27 1988 ∣ 26 & 1998 ∣ 28 & 2008 ∣ 29 A v e r a g e i n 1980 s ∣ 26.2 & A v e r a g e i n 1990 s ∣ 26.6 & A v e r a g e i n 2000 s ∣ 27.6 \end{matrix}$

If the temperature for $15^{t h}$ August, 2010 is recorded, which of the temperatures given below would be considered abnormal for the city? (You may choose more than one answer).

Discussion

2340.	5+=0
Answer» $5 +$ $= 0$

Discussion

2341.	Question 68 (a) Express 34 as a rational number with denominator 36.
Answer» Question 68 (a) Express $\frac{3}{4}$ as a rational number with denominator 36.

2341.

Question 68 (a) Express 34 as a rational number with denominator 36.

Answer»

Question 68 (a)

Express $\frac{3}{4}$ as a rational number with denominator 36.

Discussion

2342.	The value of x2y9x7y5 is
Answer» The value of $\frac{x^{2} y^{9}}{x^{7} y^{5}}$ is

Discussion

2343.	Using differentials, find the approximate value of each of the following. (a) (b)
Answer» Using differentials, find the approximate value of each of the following. (a) (b)

Discussion

2344.	Which vertex of ΔABC is right angled if ¯¯¯¯¯¯¯¯AB = 8 cm, ¯¯¯¯¯¯¯¯AC = 6 cm, and ¯¯¯¯¯¯¯¯BC = 10 cm?
Answer» Which vertex of $Δ$ ABC is right angled if $¯ ¯¯¯¯¯¯ ¯ A B$ = 8 cm, $¯ ¯¯¯¯¯¯ ¯ A C$ = 6 cm, and $¯ ¯¯¯¯¯¯ ¯ B C$ = 10 cm?

Discussion

2345.	Given cross shaped object can be rotated times during a full rotation of 360o to make it look similar as its original shape.
Answer» Given cross shaped object can be rotated times during a full rotation of $360^{o}$ to make it look similar as its original shape.

Discussion

2346.	Lattice points on a rectangular coordinate plane are defined as the points whose both the coordinates are integers. Find the number of lattice points in the region defined by \|x\|+\|y\|=5.
Answer» Lattice points on a rectangular coordinate plane are defined as the points whose both the coordinates are integers. Find the number of lattice points in the region defined by \|x\|+\|y\|=5.

Discussion

2347.	A stack of 1000 sheets of paper is 11.8 cm high. What is the thickness of each sheet ?
Answer» A stack of 1000 sheets of paper is 11.8 cm high. What is the thickness of each sheet ?

Discussion

2348.	−9×___ =−36
Answer» $- 9 \times$ ___ $= - 36$

Discussion

2349.	What isthe cost of tiling a rectangular plot of land 500 m long and 200 mwide at the rate of Rs 8 per hundred sq m?
Answer» What is the cost of tiling a rectangular plot of land 500 m long and 200 m wide at the rate of Rs 8 per hundred sq m?

Discussion

2350.	Subtract : (i) 34 from 13 (ii) −56 from 13 (iii) −89 from −35 (iv) −97 from -1 (v) −1811 from 1 (vi) −139 from 0 (vii) −3213 from −65 (viii) -7 from −47
Answer» Subtract : (i) $\frac{3}{4}$ from $\frac{1}{3}$ (ii) $\frac{- 5}{6}$ from $\frac{1}{3}$ (iii) $\frac{- 8}{9}$ from $\frac{- 3}{5}$ (iv) $\frac{- 9}{7}$ from -1 (v) $\frac{- 18}{11}$ from 1 (vi) $\frac{- 13}{9}$ from 0 (vii) $\frac{- 32}{13}$ from $\frac{- 6}{5}$ (viii) -7 from $\frac{- 4}{7}$

2350.

Subtract : (i) 34 from 13 (ii) −56 from 13 (iii) −89 from −35 (iv) −97 from -1 (v) −1811 from 1 (vi) −139 from 0 (vii) −3213 from −65 (viii) -7 from −47

Answer»

Subtract :

(i) $\frac{3}{4}$ from $\frac{1}{3}$ (ii) $\frac{- 5}{6}$ from $\frac{1}{3}$ (iii) $\frac{- 8}{9}$ from $\frac{- 3}{5}$

(iv) $\frac{- 9}{7}$ from -1 (v) $\frac{- 18}{11}$ from 1 (vi) $\frac{- 13}{9}$ from 0

(vii) $\frac{- 32}{13}$ from $\frac{- 6}{5}$ (viii) -7 from $\frac{- 4}{7}$

Discussion

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What isthe cost of tiling a rectangular plot of land 500 m long and 200 mwide at the rate of Rs 8 per hundred sq m?

Subtract : (i) 34 from 13 (ii) −56 from 13 (iii) −89 from −35 (iv) −97 from -1 (v) −1811 from 1 (vi) −139 from 0 (vii) −3213 from −65 (viii) -7 from −47