1.
Find the value of 'x' if 2/3 x +3/8 =3/8
2.
Length, breadth and height of a match box is 4.5cm, 2.4cms and 1cm. What is the surface area of the match box?
3.
Each interior angle of a polygon is 135 degree. How many sides does it have ?
4.
How many prime numbers are there in the first 150 natural numbers?
5.
Which is greater x+4 or x-4 for any negative value of x ?
6.
Surface area of a cube is ⅜ X². Find its volume.
7.
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?
8.
Factorise: 243a4 – 48 b4.
9.
In a pie chart, if an item covers an area of 35%, then find the corresponding angle.
10.
The internal angle of a regular polygon is 135°. What the figure known as?
11.
If * means double of the first number multiplied by five times the second number, then find ( 1 * 2 ) * 6.
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.
14.
x = -2, y = 3 and z = -1, find the value of 2x³ + 3y² + Z17
15.
Simplify: ½ √(6² + 8²) + ³√343
16.
Find the HCF of first sixteen even multiples of 17.
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.
The difference between two numbers is 7 and their sum is 35. What will be their product ?
20.
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.
