Explore topic-wise InterviewSolutions in Current Affairs.

The marks obtained by 10 students in a subject are:
$\begin{array}{ccccccccccc}\text{Students}& \text{A}& \text{B}& \text{C}& \text{D}& \text{E}& \text{F}& \text{G}& \text{H}& \text{I}& \text{J}\\ \text{Marks}& 85& 60& 50& 75& 55& 40& 55& 70& 45& 65\end{array}$

Calculate arithmetic mean by direct method.

Draw the figure for hexagonal pyramid and write the number of faces, edges and vertices. [2 MARKS]

Find the sum on which the difference between the simple interest and the compound interest at the rate of 8% per annum compounded annually be Rs. 64 in 2 years.

If one side of a cube is 13 meters then its volume is ________.

With reference to the figure, ABCD is a parallelogram. AE and CF are angle bisectors of ∠DAC and ∠ACB respectively. What can be said about lines AE and CF?

$(-150)\times (-19)+150=$ ___ .

If 20 metres of a cloth costs ₹ 160, then how many metres of cloth can be bought for ₹ 90.

The square of $20\frac{1}{2}$ is equal to

If a+b+c = (a+b)+c, where a,b and c are all integers, which property of addition of integers does it satisfy?

With what least number must 8640 be divided so that the quotient is a perfect cube?

How to make a ${80}^{\circ }$ angle using compass and scale

In the given diagram, $\angle XOB$ and $\angle Y{O}^{\prime }P$ are called

The diameter of a cylinder is 14 cm and its curved surface area is 220 $c{m}^2$.the volume of the cylinder is

(a) $770c{m}^3$

(b) $1000c{m}^3$

(c) $1540c{m}^3$

(d) $6622c{m}^3$

In the figure, ABCD is a quadrilateral.
(i) Name a pair of adjacent sides.
(ii) Name a pair of opposite sides.
(iii) How many pairs of adjacent sides are there?
(iv) How many pairs of opposite sides are there?

(v)Name a pair of adjacent angles.
(vi) Name a pair of opposite angles.
(vii) How many pairs of adjacent angles are there?
(viii) How many pairs of opposite angles are there?

The value of $(-2{)}^{-5}$ is

(a)-32

$\left(b\right)\frac{-1}{32}$

(c)32

$\left(d\right)\frac{1}{32}$

103 + 57 is ___ (Enter only the numerical value)

Question 82(iii)

Given below is a frequency distribution table. Read it and answer the questions that follow.
$\begin{array}{cc}Classinterval& Frequency\\ 10-20& 5\\ 20-30& 10\\ 30-40& 4\\ 40-50& 15\\ 50-60& 12\end{array}$
What is the frequency of the third class ?

The value that is half way between the upper and lower limits of a class interval is called the ___.

Use the product (a + b)(a - b) = $a^2-b^2$ to evaluate :

(i) $21\times 19$

(ii) $33\times 27$

(iii) $103\times 97$

(iv) $9.8\times 10.2$

(v) $7.7\times 8.3$

(vi) $4.6\times 5.4$

Rahul is trying to make a paper toy and started with folding an A4 sized paper along the diagonal. He then noticed that there are two triangles formed. Arjun is saying that the two triangles formed are congruent to each other. But as Rahul is seeing that they aren’t superimposing on each other, he says that the triangles aren’t congruent.

What are the conditions for triangles to be congruent?

verify whether 223 is a prime number or not

The value of machinery is Rs.10000, which is depreciating at the rate of 15% annually. What will be the value of the machinery after 2 years in rupees?

One angle of a quadrilateral is of ${108}^{\circ }$ and the remaining three angles are equal. Find each of the three equal angles. Thinking Process:
The sum of all the angles in a quadrilateral is ${360}^{\circ }$, use this result and simplify it.

A,B,C......Z re represent the numbers from 1,2,3....26. There is an encryption technique which uses a key. Key can be any number less than 26 and greater than 0. For a message ABCD, if key is 1encrypted message becomes BCDE. Similarly, if he is 5 , and message is XYZA, the encrypted message becomes CDEF. If you get an encrypte message from a friend as'FCJN'. This was encrypted using key is = 24. The original message is _.

( please whoever is the expert please try to give the answer by typing it not by clicking photos otherwise it will be unable for me to understand your handwriting thank you).

Find out $\frac{2}{3}$ + $\frac{4}{3}$ from the number line and represent it on the number line.

Find the sum invested if the difference between S.I. and C.I. on a sum for 2 years at $8\%$ per annum is ₹ 160

Find 102^2 without actual multiplication

The surface area of a box, which is in the shape of a cuboid, and whose dimensions are $l\times b\times h$ is__________.

The product of a number and its reciprocal gives ___.

2x-3/2 - x+1/3 = 3x-8/4

Find the square root of the number correct to two decimal places

2

There are 30 balls in a bag which are either red or blue in colour. 50% of them are red balls. Calculate the number of red and blue balls.

Given that √2 = 1.414 .Find the square root of 128

Can you please show me the steps

The product of two numbers is $\frac{-81}{2}$. If one of the numbers is $9$, find the other.

What is the value of

In the city,50% people read newspaper A,45% read newspaper B, and 25% read neither A nor B. What percentage of people read both the newspaper A as well as B

If the side of an open cubical box is 3.25 cm,how many litres of air does it contain?

How to translate statements into equations?

Find the square root of the following decimal numbers:

42.25