2.
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.
3.
Length, breadth and height of a match box is 4.5cm, 2.4cms and 1cm. What is the surface area of the match box?
4.
What the point of intersection of the medians of a triangle called ?
5.
Surface area of a cube is ⅜ X². Find its volume.
6.
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.
7.
Which of the following are three distinct integers such that the sum of their reciprocals is an integer ?
8.
Maximum retail price of a shirt is ₹1500. Its cost price is ₹1200. If net profit is 15%, find the discount percent.
9.
In a pie chart, if an item covers an area of 35%, then find the corresponding angle.
10.
The sum of the ages of three persons is 100 years. what will be the sum of their ages after 5 years:
11.
Subtract 3x – 2y + 7 from the sum of 6 – 3y + x and y + 2x + 1.
12.
Is it possible to have product of sum and difference of two numbers as −33? If yes, find the difference of the two numbers.
13.
If 27x = 9 x 81. Find 'x'.
14.
The difference between two numbers is 7 and their sum is 35. What will be their product ?
15.
Find the value of 'x' if 2/3 x +3/8 =3/8
16.
100 million is equal to :
17.
Using Vedic math, find the square of 9984.
18.
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 :
19.
Define concave quadrilateral.
20.
Which is greater x+4 or x-4 for any negative value of x ?