1.
The sum of first 'n' odd natural numbers is given by :
2.
The bisectors of two adjacent angles of a parallelogram intersect at :
3.
Find the value of 'x' if 2/3 x +3/8 =3/8
4.
Ramesh purchased few oranges at the rate ‘x’ for Rs.’y’and sold at ‘y’ for Rs.’x’. If y > x. Will there be profit or loss?
5.
The average marks of 8 students is 29. Two more candidates with 31 and 27 join them. Find the new average.
6.
First ten Natural numbers and First ten Whole numbers are same.
7.
What the point of intersection of the medians of a triangle called ?
8.
LCM of the group of given numbers is more than the greatest of these numbers.
9.
100 million is equal to :
10.
Reshma has spent ¾ of ½ of her pocket money. If she still has Rs.62.5,, What is her total pocket money?
11.
Subtract 3x - 2y + 7 from the sum of 6 - 3y + x and y + 2x + 1.
13.
A positive integer which when added to 'k' gives a sum which is greater than the product when it is multiplied by 'k'. The positive integer is :
14.
How many prime numbers are there in the first 150 natural numbers?
15.
The sum of eleven lakh, eleven thousand, eleven hundred and eleven.
16.
Which of the following are three distinct integers such that the sum of their reciprocals is an integer ?
17.
3a : 4b : 6c , Find a : b : c
18.
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:
19.
Is it possible to have product of sum and difference of two numbers as −33? If yes, find the difference of the two numbers.
20.
x = -2, y = 3 and z = -1, find the value of 2x³ + 3y² + Z17
