# Math Quiz For Class 8

- Question of
## Multiple Choice Question:- If 2^{a+2} 2 a+2 + 2^2 2 2 = 8 , a=?

- 0
- 1
- -1
- 2

- Question of
## The additive inverse of -9/15 is:

- -15/9
- 9/15
- 0
- 15/9

- Question of
## The two rational numbers which are equal to their reciprocals are

- 1,-1
- 1,0
- -1,0
- 0,2

- Question of
## The rational number 3/2 lies between __________ and ____________ on the number line.

- 0,1
- 1,2
- 3,2
- 1,-1

- Question of
## The product of multiplicative inverse and additive inverse of (-5)/7 is ______________

- -1
- 5/7
- 1
- 0
- 0

- Question of
## Find the difference between ( 1/ 6 and ( (-1)/18 ) .

- -1/9
- 2/9
- 1/9
- -2/9

- Question of
## Sum of 2/5 + ( (- 4)/15 ) ______________.

- 2/15
- -2/15
- 6/15
- 2/15
- -1/15

- Question of
## The absolute value of (-7)/9 is _____________.

- 7/9
- 6/9
- -7/9
- -6/9

- Question of
## The product of two rational numbers is –7. If one of the number is –10, the other number is.

- 7/10
- -7/10
- 10/5
- -10/7

- Question of
## Number of rational numbers between any two rational numbers

- count less
- 0
- 1
- 10

- Question of
## If x= 13/17 then -(-x)=

- 13/17
- -13/17
- 0
- 1

- Question of
## Rational numbers are closed under what arithmetic operations

- +,-,x
- +,x
- -,÷
- ÷, x

- Question of
## Simplify [ 3/5 x 2/15 ] + [ 2/5 x 2/15 ] (use property )

- 2/15
- 1
- 12/15
- 3/5

- Question of
## Value of (-3/8 ÷ 9/16 ) x 3/2 =

- -1
- 0
- 1
- 2/3

- Question of
## Multiplicative inverse of -7 is

- -1/7
- 1/7
- 7
- 0
- 0

- Question of
## What property we use to compute 1/5+ 3/4 +2/15+5/8

- commutative, associative
- distributive
- closure
- inverse

- Question of
## The rational number which does not have reciprocal is

- 0
- 1
- -1
- -1
- 2
- 2

- Question of
## The product of rational number and its reciprocal is

- 1
- 0
- -1
- 2
- 3
- 2

- Question of
## If x and y are two rational numbers x + y = y + x which property supports this statement

- closure
- identity
- associative
- commutative

- Question of
## What should be added to -7/8 to get -3/2

- -5/8
- 5/8
- -1/4
- 1/4

- Question of
## Multiplicative inverse of -2/5 X -3/7

- 35/6
- -6/35
- -35/6
- 6/35

- Question of
## Multiple Choice Question:- If 2^{a+2} + 2^2 = 8 , a=?

- 0
- 1
- 3
- -1

- Question of
## Which of the following number is Pythagorean triplet?

- 6,7,9
- 5,6,8
- 4,5,7
- 6,8,10

- Question of
## Which of the following numbers can be the cube of an even number?

- 512
- 513
- 8000
- 127

- Question of
## Which of the following numbers is a perfect cube?

- 8000
- 1200
- 3000
- 7000

- Question of
## Which of the following number can be cube of an integer?

- 27000
- 18000
- 5000
- 12000
- 12000

- Question of
## The seventh term of the series 2,3,5,8,13 is________

- 21
- 11
- 22
- 25

- Question of
## The smallest perfect square is______

- 1
- 5
- 6
- 7
- 7

- Question of
## The smallest four- digit number divisible by 3 and 4 is_________

- 1008
- 1000
- 200
- 150

- Question of
## When we divide any number by _______, then division is not defined.

- 0
- 3
- 4
- 2
- 2