16437 + Interview Questions in Mathematics Page 167 InterviewSolution

8301.	138.a girl hss87/11m of ribbon. she cut off 11/14 of it. what part of the ribbon is cut off?
Answer» 138.a girl hss87/11m of ribbon. she cut off 11/14 of it. what part of the ribbon is cut off?

Discussion

8302.	Find the following products : (a) 27.05 × 10 (b) 429.7 × 100
Answer» Find the following products : (a) 27.05 × 10 (b) 429.7 × 100

Discussion

8303.	A mixture of 70 litres of wine and water contains 10% of water. How much water must be added to make the water content 12.5% of the resulting mixture?
Answer» A mixture of 70 litres of wine and water contains $10 %$ of water. How much water must be added to make the water content $12.5 %$ of the resulting mixture?

Discussion

8304.	prove that n3-n is divisible by 8 for every odd positive integer n.
Answer» prove that n3-n is divisible by 8 for every odd positive integer n.

Discussion

8305.	Which of the following should be the FOURTH sentence after rearrangement?
Answer» Which of the following should be the FOURTH sentence after rearrangement?

Discussion

8306.	17. A part of monthly expenses of a family onmilk is fixed which is 700 and remainingvaries with quantity of milk taken extra atthe rate of 25 per litre. Taking quantityof milk required extra as x litres and totalexpenditure on milk as y, write a linearequation from the above information.
Answer» 17. A part of monthly expenses of a family onmilk is fixed which is 700 and remainingvaries with quantity of milk taken extra atthe rate of 25 per litre. Taking quantityof milk required extra as x litres and totalexpenditure on milk as y, write a linearequation from the above information.

Discussion

8307.	Solve:43−12
Answer» Solve: $\frac{4}{3} - \frac{1}{2}$

8307.

Solve:43−12

Answer»

Solve:

$\frac{4}{3} - \frac{1}{2}$

Discussion

8308.	What fraction of a day is 8 hours?
Answer» What fraction of a day is 8 hours?

Discussion

8309.	Which of the following are like fractions? (i) 18 (ii) 38 (iii) 27 (iv) 58
Answer» Which of the following are like fractions? (i) $\frac{1}{8}$ (ii) $\frac{3}{8}$ (iii) $\frac{2}{7}$ (iv) $\frac{5}{8}$

8309.

Which of the following are like fractions? (i) 18 (ii) 38 (iii) 27 (iv) 58

Answer»

Which of the following are like fractions?

(i) $\frac{1}{8}$

(ii) $\frac{3}{8}$

(iii) $\frac{2}{7}$

(iv) $\frac{5}{8}$

Discussion

8310.	Prove that 2n>n for all positive integers n.
Answer» Prove that $2^{n} > n$ for all positive integers $n$ .

Discussion

8311.	Evaluate the given expression and convert it into decimal form.4210÷10=
Answer» Evaluate the given expression and convert it into decimal form. $4 \frac{2}{10} \div 10 =$

Discussion

8312.	Soldiers are marching in a parade. There are 15 soldiers in a row. Total number of soldiers in n number of rows are .
Answer» Soldiers are marching in a parade. There are $15$ soldiers in a row. Total number of soldiers in $n$ number of rows are .

Discussion

8313.	Question 114. Mary bought 312 m of lace. She used 134 m of lace for her new dress. How much lace is left with her?
Answer» Question 114. Mary bought 3 $\frac{1}{2}$ m of lace. She used 1 $\frac{3}{4}$ m of lace for her new dress. How much lace is left with her?

Discussion

8314.	Statement 1: Bar Graph is a graph of rectangles representing the categories of data.Statement 2: Width of the rectangles gives us the quantity of data we are interested in.
Answer» Statement 1: Bar Graph is a graph of rectangles representing the categories of data. Statement 2: Width of the rectangles gives us the quantity of data we are interested in.

8314.

Statement 1: Bar Graph is a graph of rectangles representing the categories of data.Statement 2: Width of the rectangles gives us the quantity of data we are interested in.

Answer»

Statement 1: Bar Graph is a graph of rectangles representing the categories of data.

Statement 2: Width of the rectangles gives us the quantity of data we are interested in.

Discussion

8315.	"Price of oil per liter is 5 times the price of rice per kg." If price of oil is assumed to be x per liter then the price of rice per kg is:
Answer» "Price of oil per liter is 5 times the price of rice per kg." If price of oil is assumed to be x per liter then the price of rice per kg is:

Discussion

8316.	Question 28 In the given question, fill in the blanks to make the statement true. A four-digit number abcd is divisible by 11, if d + b = ___ or ___ .
Answer» Question 28 In the given question, fill in the blanks to make the statement true. A four-digit number abcd is divisible by 11, if d + b = ___ or ___ .

Discussion

8317.	The prime factorisation of 272 is .
Answer» The prime factorisation of 272 is .

Discussion

8318.	You were given with random five digits 0, 8, 3, 9 and 2. Find the greatest five digit and the smallest five digit number that can be formed by using them.
Answer» You were given with random five digits 0, 8, 3, 9 and 2. Find the greatest five digit and the smallest five digit number that can be formed by using them.

Discussion

8319.	There are 40 animals in a zoo out of which 10 animals were recently transferred from another zoo. What is the fraction of animals that were already present at the zoo?
Answer» There are 40 animals in a zoo out of which 10 animals were recently transferred from another zoo. What is the fraction of animals that were already present at the zoo?

Discussion

8320.	Determine position of center of mass for the remaining portion of semicircular disc having radius a when small semi circular disc of radius b is removed from it.
Answer» Determine position of center of mass for the remaining portion of semicircular disc having radius a when small semi circular disc of radius b is removed from it.

Discussion

8321.	A circular lawn of diameter 30 m contains a small rectangular lake 15 m x 10 m. The remaining portions grass. The area of the grass is nearly -
Answer» A circular lawn of diameter 30 m contains a small rectangular lake 15 m x 10 m. The remaining portions grass. The area of the grass is nearly -

Discussion

8322.	8. Two sides of a triangle are given. The angle between them such that the area is maximum, is given by : 1) 30 degrees 2) 60 degrees 3) 90 degrees 4)45 degrees
Answer» 8. Two sides of a triangle are given. The angle between them such that the area is maximum, is given by : 1) 30 degrees 2) 60 degrees 3) 90 degrees 4)45 degrees

Discussion

8323.	Question 10 (ii) Write the following rational numbers in ascending order: 13,−29,−43
Answer» Question 10 (ii) Write the following rational numbers in ascending order: $\frac{1}{3}, \frac{- 2}{9}, \frac{- 4}{3}$

8323.

Question 10 (ii) Write the following rational numbers in ascending order: 13,−29,−43

Answer»

Question 10 (ii)

Write the following rational numbers in ascending order:
$\frac{1}{3}, \frac{- 2}{9}, \frac{- 4}{3}$

Discussion

8324.	Subtract 74 from 117.
Answer» Subtract $\frac{7}{4}$ from $\frac{11}{7}$ .

Discussion

8325.	Perimeter is not valid for
Answer» Perimeter is not valid for

Discussion

8326.	6.For positive x and y , the LCM is 225 and HCF is 15 there,
Answer» 6.For positive x and y , the LCM is 225 and HCF is 15 there,

Discussion

8327.	THE PRODUCT OF TWO WHOLE NUMBERS IS ZERO. WHAT DO YOU CONCLUDE
Answer» THE PRODUCT OF TWO WHOLE NUMBERS IS ZERO. WHAT DO YOU CONCLUDE

Discussion

8328.	What is the ratio of number of edges and vertices of Hexagon?
Answer» What is the ratio of number of edges and vertices of Hexagon?

Discussion

8329.	Find 15% of 250.
Answer» Find $15 % of 250$ .

Discussion

8330.	Simplify the given algebraic expression: (5x−3)(x+2)−(2x+5)(4x−3)
Answer» Simplify the given algebraic expression: $(5 x - 3) (x + 2) - (2 x + 5) (4 x - 3)$

Discussion

8331.	A bag was bought for ₹ 250 and sold for ₹ 265. Find loss or gain percent.
Answer» A bag was bought for ₹ 250 and sold for ₹ 265. Find loss or gain percent.

Discussion

8332.	Choose the correct pairs of the algebraic equation and the value of the equation's unknown.
Answer» Choose the correct pairs of the algebraic equation and the value of the equation's unknown.

Discussion

8333.	15.5565656... can be represented as
Answer» $15.5565656...$ can be represented as

Discussion

8334.	The value of a→-b→ b→-c→ c→-a→, where a→=1, b→=5 and c→=3, is _________________.
Answer» The value of $[\vec{a} - \vec{b} \vec{b} - \vec{c} \vec{c} - \vec{a}], where \|\vec{a}\| = 1, \|\vec{b}\| = 5 and \|\vec{c}\| = 3,$ is _________________.

Discussion

8335.	When all the sides of a quadrilateral are equal, then it is either a ____________or a _____________.
Answer» When all the sides of a quadrilateral are equal, then it is either a ____________or a _____________.

Discussion

8336.	Jack was looking at the population of three cities which he found earlier.He observed that the city which has the lowest population growth from 1675 to 2015 is _________.
Answer» Jack was looking at the population of three cities which he found earlier. He observed that the city which has the lowest population growth from 1675 to 2015 is _________.

8336.

Jack was looking at the population of three cities which he found earlier.He observed that the city which has the lowest population growth from 1675 to 2015 is _________.

Answer»

Jack was looking at the population of three cities which he found earlier.

He observed that the city which has the lowest population growth from 1675 to 2015 is _________.

Discussion

8337.	What fractions do the points A and B show on the number lines below?1. 2. 3.
Answer» What fractions do the points A and B show on the number lines below? 1. 2. 3.

Discussion

8338.	If A and B are disjoint, then n(A∪B) is equal to
Answer» If A and B are disjoint, then $n (A \cup B)$ is equal to

Discussion

8339.	Find the area of figure given below (in sq. inches). Given that the area of the triangular region is 6 sq inches.
Answer» Find the area of figure given below (in sq. inches). Given that the area of the triangular region is 6 sq inches.

8339.

Find the area of figure given below (in sq. inches). Given that the area of the triangular region is 6 sq inches.

Answer»

Find the area of figure given below (in sq. inches). Given that the area of the triangular region is 6 sq inches.

Discussion

8340.	Aarushi spends Rs. x daily and saves Rs. y per week. How much money she saves in xy2 weeks?
Answer» Aarushi spends $R s . x$ daily and saves $R s . y$ per week. How much money she saves in $x y^{2}$ weeks?

Discussion

8341.	Find the sum:(–7) + (–9) + 4 + 16
Answer» Find the sum: (–7) + (–9) + 4 + 16

Discussion

8342.	(क) तुमने अब तक पाठ्यपुस्तकों के अतिरिक्त कौन-कौन सी पुस्तकें पढ़ी हैं? उनमें से कुछ के नाम लिखो। (ख) क्या तुम किसी पुस्तकालय या पत्रिका के सदस्य हो? उसका नाम लिखो।
Answer» (क) तुमने अब तक पाठ्यपुस्तकों के अतिरिक्त कौन-कौन सी पुस्तकें पढ़ी हैं? उनमें से कुछ के नाम लिखो। (ख) क्या तुम किसी पुस्तकालय या पत्रिका के सदस्य हो? उसका नाम लिखो।

8342.

(क) तुमने अब तक पाठ्यपुस्तकों के अतिरिक्त कौन-कौन सी पुस्तकें पढ़ी हैं? उनमें से कुछ के नाम लिखो। (ख) क्या तुम किसी पुस्तकालय या पत्रिका के सदस्य हो? उसका नाम लिखो।

Answer»

(क) तुमने अब तक पाठ्यपुस्तकों के अतिरिक्त कौन-कौन सी पुस्तकें पढ़ी हैं? उनमें से कुछ के नाम लिखो।

(ख) क्या तुम किसी पुस्तकालय या पत्रिका के सदस्य हो? उसका नाम लिखो।

Discussion

8343.	Decimal form of 24510 is
Answer» Decimal form of $\frac{245}{10}$ is

Discussion

8344.	A figure is said to be regular if its sides are equal in length and angles are equal in measure. Can you identify the regular quadrilateral?
Answer» A figure is said to be regular if its sides are equal in length and angles are equal in measure. Can you identify the regular quadrilateral?

Discussion

8345.	The dimensions of a room are (9 m × 8 m × 6.5 m). It has one door of dimensions (2 m × 1.5 m) and two windows, each of dimensions (1.5 m × 1 m). Find the cost of whitewashing the walls at Rs 25 per square metre.
Answer» The dimensions of a room are (9 m × 8 m × 6.5 m). It has one door of dimensions (2 m × 1.5 m) and two windows, each of dimensions (1.5 m × 1 m). Find the cost of whitewashing the walls at Rs 25 per square metre.

Discussion

8346.	Question 5Find the mean salary of 60 workers of a factory from the following table:Salary (in Rs)Number of workers30001640001250001060008700068000490003100001Total60
Answer» Question 5 Find the mean salary of 60 workers of a factory from the following table: $\begin{matrix} Salary (in Rs) & Number of workers 3000 & 16 4000 & 12 5000 & 10 6000 & 8 7000 & 6 8000 & 4 9000 & 3 10000 & 1 Total & 60 \end{matrix}$

Discussion

8347.	Write all the prime factors of 156 and then find the number of factors.
Answer» Write all the prime factors of 156 and then find the number of factors.

Discussion

8348.	कविता को प्रभावी बनाने के लिए कवि विशेषणों का सायास प्रयोग करता है जैसे- अस्थिर सुख। सुख के साथ अस्थिर विशेषण के प्रयोग ने सुख के अर्थ में विशेष प्रभाव पैदा कर दिया है। ऐसे अन्य विशेषणों को कविता से छाँटकर लिखें तथा बताएँ कि ऐसे शब्द-पदों के प्रयोग से कविता के अर्थ में क्या विशेष प्रभाव पैदा हुआ है?
Answer» कविता को प्रभावी बनाने के लिए कवि विशेषणों का सायास प्रयोग करता है जैसे- अस्थिर सुख। सुख के साथ अस्थिर विशेषण के प्रयोग ने सुख के अर्थ में विशेष प्रभाव पैदा कर दिया है। ऐसे अन्य विशेषणों को कविता से छाँटकर लिखें तथा बताएँ कि ऐसे शब्द-पदों के प्रयोग से कविता के अर्थ में क्या विशेष प्रभाव पैदा हुआ है?

Discussion

8349.	Question 4The sum of -7pq and 2pq isa) -9pqb) 9pqc) 5pqd) -5pq
Answer» Question 4 The sum of -7pq and 2pq is a) -9pq b) 9pq c) 5pq d) -5pq

Discussion

8350.	A metal sheet of width 1 m is kept in a roll. A worker needs to make a box of dimensions 50 cm×30 cm×45 cm. Find the length of the sheet required to make the box.
Answer» A metal sheet of width $1 m$ is kept in a roll. A worker needs to make a box of dimensions $50 c m \times 30 c m \times 45 c m$ . Find the length of the sheet required to make the box.

Discussion

Explore topic-wise InterviewSolutions in .

138.a girl hss87/11m of ribbon. she cut off 11/14 of it. what part of the ribbon is cut off?

Find the following products : (a) 27.05 × 10 (b) 429.7 × 100

A mixture of 70 litres of wine and water contains 10% of water. How much water must be added to make the water content 12.5% of the resulting mixture?

prove that n3-n is divisible by 8 for every odd positive integer n.

Which of the following should be the FOURTH sentence after rearrangement?

17. A part of monthly expenses of a family onmilk is fixed which is 700 and remainingvaries with quantity of milk taken extra atthe rate of 25 per litre. Taking quantityof milk required extra as x litres and totalexpenditure on milk as y, write a linearequation from the above information.

Solve:43−12

What fraction of a day is 8 hours?

Which of the following are like fractions? (i) 18 (ii) 38 (iii) 27 (iv) 58

Prove that 2n&gt;n for all positive integers n.

Evaluate the given expression and convert it into decimal form.4210÷10=

Soldiers are marching in a parade. There are 15 soldiers in a row. Total number of soldiers in n number of rows are .

Question 114. Mary bought 312 m of lace. She used 134 m of lace for her new dress. How much lace is left with her?

Statement 1: Bar Graph is a graph of rectangles representing the categories of data.Statement 2: Width of the rectangles gives us the quantity of data we are interested in.

"Price of oil per liter is 5 times the price of rice per kg." If price of oil is assumed to be x per liter then the price of rice per kg is:

Question 28 In the given question, fill in the blanks to make the statement true. A four-digit number abcd is divisible by 11, if d + b = ___ or ___ .

The prime factorisation of 272 is .

You were given with random five digits 0, 8, 3, 9 and 2. Find the greatest five digit and the smallest five digit number that can be formed by using them.

There are 40 animals in a zoo out of which 10 animals were recently transferred from another zoo. What is the fraction of animals that were already present at the zoo?

Determine position of center of mass for the remaining portion of semicircular disc having radius a when small semi circular disc of radius b is removed from it.

A circular lawn of diameter 30 m contains a small rectangular lake 15 m x 10 m. The remaining portions grass. The area of the grass is nearly -

8. Two sides of a triangle are given. The angle between them such that the area is maximum, is given by : 1) 30 degrees 2) 60 degrees 3) 90 degrees 4)45 degrees

Question 10 (ii) Write the following rational numbers in ascending order: 13,−29,−43

Subtract 74 from 117.

Perimeter is not valid for

6.For positive x and y , the LCM is 225 and HCF is 15 there,

THE PRODUCT OF TWO WHOLE NUMBERS IS ZERO. WHAT DO YOU CONCLUDE

What is the ratio of number of edges and vertices of Hexagon?

Find 15% of 250.

Simplify the given algebraic expression: (5x−3)(x+2)−(2x+5)(4x−3)

A bag was bought for ₹ 250 and sold for ₹ 265. Find loss or gain percent.

Choose the correct pairs of the algebraic equation and the value of the equation's unknown.

15.5565656... can be represented as

The value of a→-b→ b→-c→ c→-a→, where a→=1, b→=5 and c→=3, is _________________.

When all the sides of a quadrilateral are equal, then it is either a ____________or a _____________.

Jack was looking at the population of three cities which he found earlier.He observed that the city which has the lowest population growth from 1675 to 2015 is _________.

What fractions do the points A and B show on the number lines below?1. 2. 3.

If A and B are disjoint, then n(A∪B) is equal to

Find the area of figure given below (in sq. inches). Given that the area of the triangular region is 6 sq inches.

Aarushi spends Rs. x daily and saves Rs. y per week. How much money she saves in xy2 weeks?

Find the sum:(–7) + (–9) + 4 + 16

Decimal form of 24510 is

A figure is said to be regular if its sides are equal in length and angles are equal in measure. Can you identify the regular quadrilateral?

The dimensions of a room are (9 m × 8 m × 6.5 m). It has one door of dimensions (2 m × 1.5 m) and two windows, each of dimensions (1.5 m × 1 m). Find the cost of whitewashing the walls at Rs 25 per square metre.

Question 5Find the mean salary of 60 workers of a factory from the following table:Salary (in Rs)Number of workers30001640001250001060008700068000490003100001Total60

Write all the prime factors of 156 and then find the number of factors.

Question 4The sum of -7pq and 2pq isa) -9pqb) 9pqc) 5pqd) -5pq

A metal sheet of width 1 m is kept in a roll. A worker needs to make a box of dimensions 50 cm×30 cm×45 cm. Find the length of the sheet required to make the box.

Prove that 2n>n for all positive integers n.

Question 28 In the given question, fill in the blanks to make the statement true. A four-digit number abcd is divisible by 11, if d + b = _ or _ .

When all the sides of a quadrilateral are equal, then it is either a or a _.