Explore topic-wise InterviewSolutions in Current Affairs.

8 taps having the same size, fill a tank in 27 minutes. If two taps go out of order, how long would the remaining taps take to fill the tank ?

Find the square root of the following numbers in decimal form:

3) 0.813604

Factorise :

$4x^2-9y^2$

Number of boys and girls in a class are in the ratio 7 : 5. The number of boys is 8 more than the number of girls. The total class strength is

(a) 56

(b) 52

(c) 48

(d) 36

Express each of the following as a rational number of the form $\frac{p}{q}$,where p and q are integers and $q\ne 0:\left(i\right)2^{-3}\left(ii\right)(-4{)}^{-2}(iii\left)\frac{1}{3^{-2}}\right(iv\left){\left(\frac{1}{2}\right)}^{-5}\right(iv){\left(\frac{2}{3}\right)}^{-2}$

Which of the options according to following distriution is/are correct(s):
$$\begin{array}{ccccc}{x}_i& \text{10}& \text{13}& \text{16}& \text{19}\\ f_i& \text{2}& \text{5}& \text{7}& \text{6}\end{array}$$

For the given data set, you wish to make a histogram. What will be the width of each bar, given that 2.5kg is 1 unit in the x axis?

$$\begin{array}{cc}\text{Weights(Kg)}& \text{No. of persons}\\ 40-45& 4\\ 45-50& 12\\ 50-55& 13\\ 55-60& 6\\ 60-65& 5\end{array}$$

The sides of a hexagon are produced in order. If the measures of exterior angles so obtained are $(6x-1{)}^o,(10x+2{)}^o,(8x+2{)}^o(9x-3{)}^o,(5x+4{)}^{o}and(12x+6{)}^o$; find each exterior angle.

Mayank deposited Rs. 1400 in a bank at the rate of 10% per annum. Draw a linear graph which shows the relationship between time and the interest earned by Mayank. [4 MARKS]

Divide $(12xy+2x^2{y}^2)$ by $2xy$.

Question 27

If x varies directly as y, then
$\begin{array}{ccc}x& 12& 6\\ y& 48& -\end{array}$

Which of the following identity is not applicable to simplify ${(4x+5y)}^2-{(5x+4y)}^2$?

In an examination a candidate attempts 90% of the questions. Out of these 70% of his answers are correct. Each questions carries 3 marks for the correct answers and -1 mark for the wrong answer. If the marks secured by the candidate is 243, what is the total number of questions?

(2a-b)²-16c²

Find the amount which Ram will get on ₹ 4,096 if he gave it for 18 months at $12\frac{1}{2}\%$ per annum and interest is compounded half yearly.

OABC is a rhombus. Find the $\angle AOC.$

Find the least number, that has to be added to 55078, so that the resulting number is a perfect square.

If a square ends with even number of zeros then a cube ends in odd number of zeros true or false

Rahul was folding a margined application form of the exam to put it in an envelope. He folded it in such a way that the top margin coincided with the bottom one like in the figure.

It is because both the margins are

Construct a parallelogram OKAY where OK=5.5cm and KA=4.2cm . Is it unique?

Which of the following figures do not satisfy any of the following properties?

All sides are equal.

All angles are right angles.

Opposite sides are parallel.

A pyramid with a triangular base is also called a ________.

If AB is divisible by 5 but not by 2 and BA is divisible 3. Then which of the following is possible value of A and B?

a.A=5,B=2

b.A=4,B=5

c.A=7,B=5

d.A=4,B=0

Mark 4/7 and 10/7 on a number line

If the weight of five sheets of paper is 20g how many sheets of the same paper would weigh 2.5kg?

Difference between variable and constant

2^x-7x 5^x-4 = 1250

A picture of a person in which the face and its expression is prominent is called

Construct a frequency distribution table for the data on weight in kg of 20 students of a class using intervals 30-35,35-40 and so on.

40,38,33,48,60,53,31,30,59,50,39.

Thank you for answering my question.

The least number which must be subtracted from 2059 to make it a perfect square is:

Options: (a) 6 (b) 9 (c) 12 (d) 14

The numbers of hours each student of a class spends for studying are 5, 8, 7, 6, 8, 8, 5, 5, 6, 5, 6, and 5. Which of the following histogram represents the data correctly?

$x^4-(x-z{)}^4=$

(i) At what rate per cent per annum will Rs. 630 produce an interest of Rs. 126 in 4 years?
(ii) At what rate per cent per year will a sum double itself in $6\frac{1}{4}$ years?

The solution of 5z² = 3z is

In a 100 m race 10 sprinters participate. What data do we need to collect to find the fastest sprinter?

A two digit number is 27 more than its reversed number. What is the difference between its digits?

The measure of each interior angle of a regular nonagon is

H.C.F of $a^2{b}^3$ and $a^3{b}^2{d}^7$ is $a^2{b}^2$. What is their G.C.D

The sum of all the angles of a triangle is _____ .

A battalion of 400 soldiers has provision for 28 days. After 8 days they are joined by 100 more soldiers, how long will the provision last now?