1.
Which of the following are three distinct integers such that the sum of their reciprocals is an integer ?
2.
Each interior angle of a polygon is 135 degree. How many sides does it have ?
3.
If 'n' is a natural number then n(n+1)(n+2) is always divisible by :
4.
The area of a rectangle is 80 sq. m and its one side is 8m. Find the area of the square with perimeter equal to the given rectangle.
5.
Find the fourth proportional of 36, 45 and 28.
6.
Subtract 3x – 2y + 7 from the sum of 6 – 3y + x and y + 2x + 1.
7.
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.
8.
In a division sum, the divisor is 12 times the quotient and 5 times the remainder. If the remainder is 48, then what is the dividend ?
9.
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:
10.
Which is greater x+4 or x-4 for any negative value of x ?
11.
A person can cover a distance at 12m/sec in 100seconds but he wants to cover it in 80 seconds, what should be his speed?
12.
√0.9 =? maximum up to two decimals.
13.
The bisectors of two adjacent angles of a parallelogram intersect at :
14.
Which digits have the same place value and face value in the number 4560923 ?
15.
LCM of the group of given numbers is more than the greatest of these numbers.
16.
Which of the following numbers lies in the middle of 3/4 and 7/4 ?
17.
What is the remainder obtained when a prime number greater than 6 is divided by 6 ?
18.
What the point of intersection of the altitudes of a triangles called ?
19.
The internal angle of a regular polygon is 135°. What the figure known as?
20.
The selling price of 10 laptops is equal to the cost price of 11 laptops. Find the profit/loss percent.