1.
Which of the following are three distinct integers such that the sum of their reciprocals is an integer ?
2.
Subtract 3x – 2y + 7 from the sum of 6 – 3y + x and y + 2x + 1.
3.
Is it possible to have product of sum and difference of two numbers as −33? If yes, find the difference of the two numbers.
4.
What the point of intersection of the medians of a triangle called ?
5.
If * means double of the first number added by five times the second number, then find ( 1 * 2 ) * 6.
6.
What should be added to -3/4 to get '-1' ?
7.
Define concave quadrilateral.
8.
Surface area of a cube is ⅜ X². Find its volume.
9.
Length, breadth and height of a match box is 4.5cm, 2.4cms and 1cm. What is the surface area of the match box?
10.
Rearrange the digits of 1,02,35,007 to get the largest and the smallest number. The difference between the place values of 2 in these two numbers is :
11.
P and Q are two positive integers such that PQ= 64 . Which of the following is not the correct value of P + Q ?
12.
If consecutive whole numbers from 1 onward are written one after another to the right of 1 , find the unit digit at the 31 st place.
13.
A number 'n' is said to be 'perfect' if the sum of all its divisors (excluding 'n' itself ) is equal to n . An example of a perfect number is:
14.
What is the remainder obtained when a prime number greater than 6 is divided by 6 ?
15.
The selling price of 10 laptops is equal to the cost price of 11 laptops. Find the profit/loss percent.
17.
Find the value of 'x' if 2/3 x +3/8 =3/8
18.
The internal angle of a regular polygon is 135°. What the figure known as?
19.
In a pie chart, if an item covers an area of 35%, then find the corresponding angle.
20.
How many prime numbers are there in the first 150 natural numbers?
