Explore topic-wise InterviewSolutions in .

Question 52

When the number of observations is large, the observations are usually organised in groups of equal width called ___,

Three coins are tossed simultaneously 100 times with the following frequencies of different outcomes :

$\begin{array}{ccccc}\text{Outcome}& \text{No head}& \text{One head}& \text{Two heads}& \text{Three heads}\\ \text{Frequency}& 14& 38& 36& 12\end{array}$

If the three coins are simultaneously tossed again, compute the compute the probability of :

(i) 2 heads coming up. (ii)3 heads coming up.

(iii) at least one head coming up. (iv) getting more heads than tails.

(v) getting more tails heads.

In fig. $\angle ABP=\angle ACQ,\angle BAC={68}^{\circ }$. Measure of $\angle ABC$ is:

Q55. Consider the following figures:

What is the missing number?

निम्नलिखित आकृति पर विचार कीजिएः

लुप्त संख्या क्या है?

If $AB=CD$ and $\angle AOB={50}^{\circ }$, then $\angle ODC$ = _____ .

Express 0.237 bar on 237 in p/q form

A theatre, in the shape of a quadrilateral ABCD, has $\angle C={90}^{\circ }$, $AB=9m,BC=12m,CD=5mandAD=8m$. If the total area of theatre is $90m^2$, then what will be the area of $△BAD?$

Consider the following distribution of the number of mangoes being packed in cardboard boxes where these boxes contain varying number of mangoes. Find the mean number of mangoes kept in a packing box using assumed mean method?

$$\begin{array}{cccccc}Numberofmangoes& 50-52& 53-55& 56-58& 59-61& 62-64\\ Numberofboxes& 15& 110& 135& 115& 25\end{array}$$

In the given figure, D is the mid-point of AB and $PC=\frac{1}{2}AP=3$ cm. If $AD=DB=4$ cm and $DE||BP$ , then AE is

ABCD is a cyclic quadrilateral whose diagonals intersect at a point E. If $\angle DBC={70}^{\circ },\angle BAC={30}^{\circ }$ and AB=BC, then find $\angle ECD.$

If the length of a median of an equilateral triangle is x cm, then its area is

Question 1 (vii)

Without actually performing the long division, state whether $\frac{129}{2^2\times 5^7\times 7^5}$ will have a terminating decimal expansion or a non-terminating repeating decimal expansion.

Virat Kohli's scores in 8 innings are given as :

46 , 120 , 144 , 82 , 15 , 76 , 54 and 31.

What is his average?

All the angles of a quadrilateral can be obtuse. Is this statement true? Give reasons for your answer.

Which of the following is irrational number?

The volume of the rectangular block is $\left(x\right)\left(x^2\right)\left(3x^3\right)$ cubic centimetres.
It can be simplified as.

In a survey of 364 children aged 2-4 years, it was found that 91 liked to eat potato chips. If a child is selected at random, the probability that he/she does not like to eat potato chips is:

In a parallelogram ABCD, the line drawn through a point P on AB; parallel to BC, meets AC at Q. The line through Q, parallel to AB meets AD at R. Then, $\frac{AP}{PB}=$

Question 123

log 100000 = ____ .

Which among the following is a cubic polynomial?

1,2,3,4,5......

The above set of numbers are known as _______.

A rectangle is 5 cm wide and 20 cm long. The ratio of its width to its length is

If $x=0.\overline{18}$, which of the following statements are true?

(i) $100x=18.\overline{18}$

(ii) $100x-x=17.\overline{18}$

(iii) $99x=18$