Explore topic-wise InterviewSolutions in Current Affairs.

A man sells an a

(क) अगर तुम्हें हुदहुद को पहचानने में किसी की मदद करनी है तो तुम उसे कौन-सी बातें बताओगे? चार-पाँच वाक्यों में लिखो।

(ख) अब कौवे या कबूतर को पहचानने के लिए चार-पाँच बिंदु लिखो। यह लिखने के लिए तुम्हें इन पक्षियों को कुछ समय तक बहुत गौर से देखना होगा।

Construct a triangle PQR, whose perimeter is 13 cm and whose sides are in the ratio 2:3:4.

Question 5 (iv)

An organization selected 2400 families at random and surveyed them to determine a relationship between income level and the number of vehicles in a family. The information gathered is listed in the table below:

$\begin{array}{ccccc}\text{Monthly income(in Rs)}& & & \text{Vehicles per family}& \\ & 0& 1& 2& Above2\\ \text{Less than 7000}& 10& 160& 25& 0\\ 7000-10000& 0& 305& 27& 2\\ 10000-13000& 1& 535& 29& 1\\ 13000-16000& 2& 469& 59& 25\\ 16000\text{or more}& 1& 579& 82& 88\end{array}$

Suppose a family is chosen, find the probability that the family chosen is

(iv) earning Rs 13000-16000 per month and owning more than 2 vehicles.

If ∠a = 36°, the value of ∠b will be .

A shopkeeper sold two baseball bats whose cost price is ₹2000 each. He makes a profit of 15% on one bat, but a loss of 5% on the other bat. Then, he has made an overall ___.

Question 2 (vi)

The following number is obviously not a perfect square. Give reasons.

89722

8 added to a number is divided by 7 subtracted from the same number can be expressed as:

Raw data is ___.

0 to the power of 0 is?

Simplify the given algebraic expression:
$n^2(n-2)+2n^3(n+3)-6n(n-4)$

Construct a triangle ABC, in which AB = 4.5 cm, AC = 5.5 cm and ∠BAC = 75°.

Using the information given in the figure, the values of x and y are ____________.

Find the radius and area of a circle, whose circumference is :

(i) 132 cm

(ii) 22 m

14 John lent Rs. 2550 to Mohan at 7.5 per cent per annum. If Mohan discarges the debt after 8 monthes by giving an old black and white television and Rs. 1422.50; find the price of the television.

Surface area of a cuboids with dimension 2 cm x 2 cm x 3 cm without top is:

Using the information given in the figure, the values of x and y are ________.

In a quadrilateral ABCD, suppose AB = CD and AD = BC. Prove that ABCD is a parallelogram.

Question 64

The original price of a shampoo bottle bought for Rs 324, if 8% VAT is included in the price, is Rs 300.

Plot a line graph and discuss its trend for the given data.

Value of Sarah's Car:

$\begin{array}{cc}\text{Year}& \text{Value}\\ 2001& 24,000\\ 2002& 22,500\\ 2003& 19,700\\ 2004& 17,500\\ 2005& 14,500\\ 2006& 10,000\\ 2007& 5,400\end{array}$
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In how many different ways you can write 15 as the difference of the squares of two natural numbers?

Two cubes have volumes in the ratio $1:64$. The ratio of their sides is ____.

Question 56

State whether the following statement is true or false:

The cube of 0.4 is 0.064.

Find the value of $x$ if $5^{x-7}=1$.

Which of the following is/are true about like terms?

Select the equivalent expression to the following expression:

${10}^9\times {10}^{-6}$

When $4x^3+2x^2-px+5$ is divided by $2x+6$, the remainder is $2$; and $3x+12$ is the factor of $q{x}^2-16$. Find $p-30q$.

The radius of a sphere increases from 3 units to 5 units. What is the increase in the following quantities?

Question 10

Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected.

Which of the following is a reasonable conclusion for the given data?

(a) $\frac{1}{20}$th student voted for blue colour

(b) Green is the least popular colour

(c) The number of students who voted for red colour is two times the number of students who voted for yellow colour

(d) Number of students liking together yellow and green colour is approximately the same as those for red colour.