Explore topic-wise InterviewSolutions in .

Question 15
Find the circumference of the inner and the outer circles, shown in the adjoining figure.
$(Take\pi =3.14)$

Simplify :$\{\frac{1}{6^{(-2)}}-\frac{1}{3^{(-3)}}\}÷\frac{1}{5^{(-2)}}$

Question 91

Write 1.56 as a percent.

Samanth has 100 umbrellas in his shop. The first customer to the shop buys $x$ umbrellas and the second customer to the shop buys two umbrellas more than what the first customer has bought. The number of umbrellas now left with Samanth is ______.

A set is a collection of ___ objects.

Question 78(iii)

Harshna gave her car for service at service station on 27-05-2009 and was charged as follows
Rs. 2095.80 as labour charges and service tax 10%.
Find the bill amount.

One day, Pranav visited his friend's house. In the backyard, he could see many mango trees full of mangoes. He asked his friend if he knew how many mangoes there were in total. In response, Pranav's friend gave him a puzzle - 'There are as many mangoes in each mango tree as there are mango trees in my backyard'. Pranav counted the number of mango trees as 24. Then, what is the number of mangoes?

(a) Find x for the following equation: 4x + 10 = 20

(b) Write an equation for the following case:
Irfan says that he has 7 marbles more than five times the marbles Parmeet has. Irfan has 37 marbles. (Take 'm' to be the number of Parmeet’s marbles.) [2 MARKS]

In Class XI of a school 40% of the students study Mathematics and 30% study Biology. 10% of the class study both mathematics and Biology. If a student is selected at random
from the class, find the probability that he will be studying Mathematics or Biology.

Find the area of quadrilateral ABCD in sq units.
Given: AE = 10 units, BD = 24 units and CF = 8 units.

1. 216

Which of the following is a factor of $x^2+6x+9$?

The sum of the two angles in a triangle is 95${}^{\circ }$ and their difference is 25${}^{\circ }$. Then which of the following are true?

$-2(1-m^2)-4m^2-(2-m^2)$equals

The value of $3\times (2{)}^{\frac{1}{3}}\times 7\times (6{)}^{\frac{1}{3}}\times 5\times (18{)}^{\frac{1}{3}}$ is

After 7 years Sarosh's father age will be 3 times that of Sarosh's age which will simultaneously be equal to 6 times of Sarosh's present age. Sum of their present ages is equal to:

Find the value of $p^2+\frac{1}{p^2},$ if $p+\frac{1}{p}=7$.

Write the complementary angle for the following angles. [2 MARKS]
(a) ${65}^{\circ }$
(b) ${32}^{\circ }$

Question 17
A whole number is added to 25 and the same number is subtracted from 25. The sum of the resulting numbers is

(A) 0
(B) 25
(C) 50
(D) 75

Add the following expression:

$\frac{5}{8}{p}^4+2p^2+\frac{5}{8},\frac{1}{8}-17p+\frac{9}{8}{p}^{2}and{p}^5-p^3+7$

At 4 am, the temperature in Eastbourne was -5${}^{\circ }$C. By 1 pm, it had increased by 4${}^{\circ }$C. What was the temperature in Eastbourne at 1 pm?

The number of books purchased for library B increased by what percent from 2003 to 2006?

A square is cut along its diagonal into four triangles and these are arranged on another square of same area to form a larger square of area 34 sq.units.Then the area of the original square is

1. 4

Select the correct nets of a cylinder.

A shopkeeper buys $80$ articles for $Rs.2,400$ and sells them for a profit of $16\%.$ Find the selling price of one article.

The vertical angle of an isosceles triangle is twice the sum of its base angles. Find each of the angle of the triangle.

How to convert kilometre per hour to metre per second

Write 16 as the sum of the powers of 2.

In a class of 25 students, there are 15 boys. Find the percentage of girls in the class.

1. 234

Find the value of x.

What will be the result when -1331 is divided by -11?

The exterior angle of a triangle is 80⁰. If one of the interior opposite angles is 35⁰, the measure of the other two angles is

Find the corresponding height of a parallelogram corresponding to base $20cm$ if its area $=246c{m}^2$.

A book has pages numbered from 1 to 85. What is the probability that the sum of the digits on the page is 8 if a page is chosen at random?

Average speed = _______

The following table shows number of males and females of a locality in different age groups.

$\begin{array}{cccc}Ageinyears& 10-20& 21-50& Above50\\ Male& 15& 16& 9\\ Female& 8& 20& 12\end{array}$

The following table shows number of males and females of a locality in different age groups.

$\begin{array}{cccc}\text{Age in years}& 10-20& 21-50& \text{Above 50}\\ \text{Male}& 15& 16& 9\\ \text{Female}& 8& 20& 12\end{array}$

If one person is selected at random, find the probability of getting a person with age 21-50.

The weight of 16 identical articles is 192 kgs. How many numbers of articles can fit in a carton which carries up to 180 kg weight?

If $50$ is subtracted from a number , the result is $4$. Find the number.

Three times the sum of $(5x+6y)-\{7-(2x-4y\left)\right\}$ and ($5x-6y+6$) is subtracted from ($6x-8y+5$) is _____.