1.
The difference between two numbers is 7 and their sum is 35. What will be their product ?
3.
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.
4.
What should be added to -3/4 to get '-1' ?
5.
First ten Natural numbers and First ten Whole numbers are same.
6.
The sum of eleven lakh, eleven thousand, eleven hundred and eleven.
8.
Using Vedic math, find the square of 9984.
9.
Subtract 3x - 2y + 7 from the sum of 6 - 3y + x and y + 2x + 1.
10.
Length, breadth and height of a match box is 4.5cm, 2.4cms and 1cm. What is the surface area of the match box?
11.
√0.9 =? maximum up to two decimals.
12.
LCM of the group of given numbers is more than the greatest of these numbers.
13.
Define concave quadrilateral.
14.
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?
15.
Each interior angle of a polygon is 135 degree. How many sides does it have ?
16.
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 :
17.
Factorise: 243a4 - 48 b4.
18.
The sum of first 'n' odd natural numbers is given by :
19.
The selling price of 10 laptops is equal to the cost price of 11 laptops. Find the profit/loss percent.
20.
A number x, when divided by 7, leaves a remainder 6 and another number y, when divided by 7 leaves the remainder 4. What will be the remainder if x + y is divided by 7 ?