Explore topic-wise InterviewSolutions in Current Affairs.

The reason for the equations $x+2y=5$ and $4x+8y=20$ to have infinite solutions is

12 typists working for 4 hours per day to type a book in 18 days. How many days will 4 typists have to work for 8 hours per day to type the same book?

Given below are a set of statements. How many of them are false?

a.) An acute angled triangle will have 1 angle more than ${90}^{\circ }$

b.) An equilateral triangle will have all the sides equal to each other.

c.) A scalene triangle will have at least 2 sides equal to each other.

d.) An isosceles right triangle will have only one angle as ${90}^{\circ }$

If 12 inches correspond to 30.48 centimeters, then how many centimeters are there in thirty inches? [1 MARK]

Complete the following table if $x\text{and}y$ vary directly.

If a person completes (1/n)^th part of the work in one day, then in how many days he will complete the whole work?

If x² - 6x - 40 = (x + 4)(x + a) then the value of a is:

Which of the following statement(s) is/are true?

(i) All cubes are cuboids.

(ii) All cuboids are cubes.

(iii) A cube has 6 faces, 8 corners, 12 edges.

(iv) A cube has 8 faces, 12 corners and 6 edges.

5$\%$ of a number is 9. The number is (a) 45 (b) 90 (c) 135 (d) 180

The number of sides in a kite is

The pie-chart shows the percentage of students taking up different specialisations in a management institute. The total number of students is 4500.

Ratio of men to women in each specialisation
$\begin{array}{ccc}\text{Specialisation}& \text{Men}& \text{Women}\\ \text{HR}& \text{2}& \text{3}\\ \text{Marketing}& \text{7}& \text{5}\\ \text{International Business}& \text{5}& \text{1}\\ \text{Banking}& \text{17}& \text{10}\\ \text{IT}& \text{1}& \text{2}\\ \text{Finance}& \text{5}& \text{4}\end{array}$

(A) Find the total number of men studying Banking and International Business.
(B) Find the percentage of women studying Finance with respect to the number of men studying the same.

Question 44

An experiment whose outcomes cannot be predicted exactly in advance, is called a ___ experiment.

Which of the following is the factor of a²bc + ab²c + abc²?

Q. A clock gains 5 seconds in 6 mins. It showed accurate time at 8 pm. Next day, when the clock showed 2:15 pm, what was the correct time?

एक घड़ी में 6 मिनट में 5 सेकण्ड समय बढ़ जाता है। यह 8 PM पर सटीक समय बताती है। अगले दिन, जब घड़ी में 2:15 PM बज रहे थे, तब सही समय क्या हुआ था?

The smallest number of sides in a polygon is:

The letter, ${}^{\prime }{A}^{\prime }$, after reflection along y-axis becomes

In the given figure, find \(\angle ADG\) and $\angle IEJ$. ABCD is a rectangle. [4 MARKS]

A family of 5 persons can be maintained for 20 days with Rs. 2480. Find, how long Rs. 6944 maintain a family of 8 persons.

The bar graph given below shows the sales of newspapers (in millions) in six branches of a publishing company during two consecutive years 2013 and 2014.

i) What is the ratio of the total sales of branch NP3 to the total sales of branch NP5?

ii) Total sales of branch NP6 is what percent of the total sales of branch NP2?

The lengths of the diagonals of a rhombus are 16 cm and 12 cm . The length of each side of the rhombus is

(a) 8 cm (b) 9 cm

(c) 10 cm (d) 12 cm

Formula to find SP if CP and discount % is given is:

Twenty years from now, Arjun will become three times as old as he is now. His present age is

Which of the following is an example of binomial?

Solve the following equations and verify your answer :

$\frac{2x}{3x+1}=-3$

Question 76

A car travels a distance of 225 km in 25 litres of petrol. How many litres of petrol will be required to cover a distance of 540 kilometres by this car?

A square park has side 7m. The cost of laying gass in the park at ₹ 10 per $m^2$ is ____.

Question 92 (xxxi)

Factorise the following using the identity $a^2-b^2=(a+b)(a-b).$

$9x^2-(3y+z{)}^2$

The ratio between the number of sides of two regular polygons is 3 : 4 and the ratio between the sum of their interior angles is 2 : 3. Find the number of sides in each polygon.

Mona is 20% younger than Neetu. How much percent is Neetu older than Mona ?

Question 2 (iii)
Without doing any calculation, find the numbers which are surely not perfect squares:

408

Is (a + b ) an integer for any two integers a and b?

If the number 6 is subtracted from 10 then, divided by 2, what is the resulting number?

Question 12

Square of $\left(\frac{-2}{3}\right)$ is
(a)$\frac{-2}{3}$
(b)$\frac{2}{3}$
(c)$\frac{-4}{9}$
(d)$\frac{4}{9}$

A cuboidal block of silver is 9 cm long, 4 cm broad and 3.5 cm in height, From it, beads of volume 1.5 $c{m}^3$ each are to be made.Find the number of beads that can be made from the block.

There are some things given below which we observe in day to day life. Which of these things don’t have multi line symmetry?

1. 20

The product of $\frac{-49}{23}$ and its multiplicative inverse is ___ .

The value of ${\left(15\frac{1}{3}\right)}^2$ is equal to

Coefficient of $y$ in the term $-\frac{y}{9}$ is:

In the given figure, ABCD is a parallelogram. E is a point on DC. If AE bisects $\angle$A and BE bisects $\angle$B, then which of the following statements is correct?

The dimensions of a metal block are 2.25 m by 1.5 in by 27 cm. It is melted and recast into cubes, each of side 45 cm. How many cubes are formed?

Q39. If a 3-digit integer is selected at random from the integers 100 through 199, inclusive, what is the probability that the first digit and the last digit of the integer are each equal to one more than the middle digit?