32581 + Interview Questions in Mathematics Page 650 InterviewSolution

32451.	Which of the following is a binomial?
Answer» Which of the following is a binomial?

Discussion

32452.	On finding the mode of a frequency distribution table, it is always coming +1 than the answer given. Ex: answer is given 122, my answer is coming 123. What may be the possible reason??
Answer» On finding the mode of a frequency distribution table, it is always coming +1 than the answer given. Ex: answer is given 122, my answer is coming 123. What may be the possible reason??

Discussion

32453.	A manufacturer sells a washing machine to a wholesaler for Rs. 20000. The wholesaler sells it to a trader at a profit of Rs. 1500 and the trader, in turn, sells it to a consumer at a profit of Rs. 2000. If the rate of VAT is 8%, the VAT received from manufacturer and wholesaler are:
Answer» A manufacturer sells a washing machine to a wholesaler for Rs. 20000. The wholesaler sells it to a trader at a profit of Rs. 1500 and the trader, in turn, sells it to a consumer at a profit of Rs. 2000. If the rate of VAT is 8%, the VAT received from manufacturer and wholesaler are:

Discussion

32454.	Insert three arithmetic means between 4 and 12.
Answer» Insert three arithmetic means between 4 and 12.

Discussion

32455.	What must be added to each of 7, 16, 43 and 79 so that they are in proportion?
Answer» What must be added to each of 7, 16, 43 and 79 so that they are in proportion?

Discussion

32456.	The mean of the following distriution is xi10131619fi2576
Answer» The mean of the following distriution is $\begin{matrix} x_{i} & 10 & 13 & 16 & 19 f_{i} & 2 & 5 & 7 & 6 \end{matrix}$

Discussion

32457.	If Abhilash was younger by 2 years than what he really is, then the square of his age (in years) would have been 68 more than 8 times his actual age. What is his age now?
Answer» If Abhilash was younger by 2 years than what he really is, then the square of his age (in years) would have been 68 more than 8 times his actual age. What is his age now?

Discussion

32458.	Question 112 (ii) Social Studies Application remembering that 1 AD came immediately after 1 BC, while solving following problems take 1 BC as -1 and 1 AD as +1 Bhaskaracharya was born in the year 1114 AD and died in the year 1185 AD. What was his age when he died?
Answer» Question 112 (ii) Social Studies Application remembering that 1 AD came immediately after 1 BC, while solving following problems take 1 BC as -1 and 1 AD as +1 Bhaskaracharya was born in the year 1114 AD and died in the year 1185 AD. What was his age when he died?

32458.

Question 112 (ii) Social Studies Application remembering that 1 AD came immediately after 1 BC, while solving following problems take 1 BC as -1 and 1 AD as +1 Bhaskaracharya was born in the year 1114 AD and died in the year 1185 AD. What was his age when he died?

Answer»

Question 112 (ii)

Social Studies Application remembering that 1 AD came immediately after 1 BC, while solving following problems take 1 BC as -1 and 1 AD as +1
Bhaskaracharya was born in the year 1114 AD and died in the year 1185 AD. What was his age when he died?

Discussion

32459.	Two identical cubes of side 4 cm are placed one above the other, forming a cuboid. Find the total surface area of the cuboid thus formed.
Answer» Two identical cubes of side 4 cm are placed one above the other, forming a cuboid. Find the total surface area of the cuboid thus formed.

Discussion

32460.	Question 1 Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60∘.
Answer» Question 1 Find the area of a sector of a circle with radius 6 cm if angle of the sector is $60^{\circ}$ .

Discussion

32461.	The area of a rectangular plot is 528 m2. The length of the plot (in metres) is one more than twice its breadth. Find the length and breadth of the plot.
Answer» The area of a rectangular plot is $528 m^{2}$ . The length of the plot (in metres) is one more than twice its breadth. Find the length and breadth of the plot.

Discussion

32462.	If cosθ+sinθ=√2 sin(90∘−θ), then cos θ−sinθ=___
Answer» If $c o s θ + s i n θ = \sqrt{2} s i n (90^{\circ} - θ),$ then $c o s θ - s i n θ =$ ___

Discussion

32463.	Find the sum to n terms of the AP: 5, 2, -1, -4, -7, ...
Answer» Find the sum to $n$ terms of the AP: 5, 2, -1, -4, -7, ...

Discussion

32464.	Question 11 The fourth vertex D of a parallelogram ABCD whose three vertices are A(-2,3), B(6,7) and C(8,3) is (A) (0, 1) (B) (0, –1) (C) (–1, 0) (D) (1, 0)
Answer» Question 11 The fourth vertex D of a parallelogram ABCD whose three vertices are A(-2,3), B(6,7) and C(8,3) is (A) (0, 1) (B) (0, –1) (C) (–1, 0) (D) (1, 0)

Discussion

32465.	Write the locus of a point of the sum of whose distance from the coordinates axes is unity.
Answer» Write the locus of a point of the sum of whose distance from the coordinates axes is unity.

Discussion

32466.	Two dice are thrown at the same time. Find the probability of getting different numbers on the dice.
Answer» Two dice are thrown at the same time. Find the probability of getting different numbers on the dice.

Discussion

32467.	The group of intelligent students in a class is __________.
Answer» The group of intelligent students in a class is __________.

Discussion

32468.	Question 38 Without finding the cubes, factorise: (x−2y)3+(2y−3z)3+(3z−x)3
Answer» Question 38 Without finding the cubes, factorise: $(x - 2 y)^{3} + (2 y - 3 z)^{3} + (3 z - x)^{3}$

Discussion

32469.	Are the ratios 2:5 and 10:15 equivalent? Enter Yes or No in the blank provided. ___
Answer» Are the ratios 2:5 and 10:15 equivalent? Enter Yes or No in the blank provided. ___

Discussion

32470.	If sec 5A = cosec (A-30o), then the value of A is ___.
Answer» If sec 5A = cosec (A-30 $^{o}$ ), then the value of A is ___.

Discussion

32471.	The areas of the major and the minor sector of a circle are equal when the central angle is .
Answer» The areas of the major and the minor sector of a circle are equal when the central angle is .

Discussion

32472.	By increasing the list price of a book by ₹10, a person can buy 20 books less for ₹1200. The original price of the book was_____.
Answer» By increasing the list price of a book by ₹10, a person can buy 20 books less for ₹1200. The original price of the book was_____.

Discussion

32473.	Frequency of an entry gives ___.
Answer» Frequency of an entry gives ___.

Discussion

Explore topic-wise InterviewSolutions in .

Which of the following is a binomial?

On finding the mode of a frequency distribution table, it is always coming +1 than the answer given. Ex: answer is given 122, my answer is coming 123. What may be the possible reason??

A manufacturer sells a washing machine to a wholesaler for Rs. 20000. The wholesaler sells it to a trader at a profit of Rs. 1500 and the trader, in turn, sells it to a consumer at a profit of Rs. 2000. If the rate of VAT is 8%, the VAT received from manufacturer and wholesaler are:

Insert three arithmetic means between 4 and 12.

What must be added to each of 7, 16, 43 and 79 so that they are in proportion?

The mean of the following distriution is xi10131619fi2576

If Abhilash was younger by 2 years than what he really is, then the square of his age (in years) would have been 68 more than 8 times his actual age. What is his age now?

Question 112 (ii) Social Studies Application remembering that 1 AD came immediately after 1 BC, while solving following problems take 1 BC as -1 and 1 AD as +1 Bhaskaracharya was born in the year 1114 AD and died in the year 1185 AD. What was his age when he died?

Two identical cubes of side 4 cm are placed one above the other, forming a cuboid. Find the total surface area of the cuboid thus formed.

Question 1 Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60∘.

The area of a rectangular plot is 528 m2. The length of the plot (in metres) is one more than twice its breadth. Find the length and breadth of the plot.

If cosθ+sinθ=√2 sin(90∘−θ), then cos θ−sinθ=___

Find the sum to n terms of the AP: 5, 2, -1, -4, -7, ...

Question 11 The fourth vertex D of a parallelogram ABCD whose three vertices are A(-2,3), B(6,7) and C(8,3) is (A) (0, 1) (B) (0, –1) (C) (–1, 0) (D) (1, 0)

Write the locus of a point of the sum of whose distance from the coordinates axes is unity.

Two dice are thrown at the same time. Find the probability of getting different numbers on the dice.

The group of intelligent students in a class is __________.

Question 38 Without finding the cubes, factorise: (x−2y)3+(2y−3z)3+(3z−x)3

Are the ratios 2:5 and 10:15 equivalent? Enter Yes or No in the blank provided. ___

If sec 5A = cosec (A-30o), then the value of A is ___.

The areas of the major and the minor sector of a circle are equal when the central angle is .

By increasing the list price of a book by ₹10, a person can buy 20 books less for ₹1200. The original price of the book was_____.

Frequency of an entry gives ___.