1. For what value of ‘a’ the number -11/a is not a rational number.
a) -1 b) 1 c) 0 d) 10
2 . The product of two rational numbers is-7/8 . If one of the numbers is 1/-6.Find the other.
a) 37/8 b) -42/8 c) 21/4 d) -7/48
3. Find the value of. -9/5 + -8 /5 ÷ 5/2 x -5/4
a) -1 b) -3 c) 2 d) -8
4. The additive inverse of -1/3 - ( -1/3 ) is ________.
a) 1/3 b) 0 c) -1/3 d) None of these.
5.The sum of three rational numbers is-1/5. If two of the numbers are, 3/10 and -2/5 find the third number.
a)-7/10 b)-11/10 c)2/3 d) -1/10
6. The sum of three rational numbers is-1/5. If two of the numbers are, 3/10 and -2/5 find the third number.
a)-7/10 b)-11/10 c)2/3 d) -1/10
7 What is the quotient when a non-zero rational number is divided by its additive inverse.
a) 0 b) -1 c) 1 d) None of these
8. The sum of 7/-3 and 5/-6is equal to the product of -5/3 and a number. Find the number.
a)35/6 b)5/3 c)-25/6 d) 19/10
9. What number should be subtracted from 3/7 to get 5/7.
a) -2/7 b) 2/7 c) 3/5 d) 1/7
10. For any rational number a,b,c ,which among the following is false. a) a x b=b x a
b) a x (b-c)=a x b-a x c
c) a x (b ÷ c)=a x b a x c
d) a x (b+c)=a x b+a x c
CBSE ADDA: 8th RATIONAL NUMBER: "CBSE ADDA CBSE MATH STUDY CBSE MATH COMPLETE STUDY Q1. Express −35 as a rational number with denominator: (i) 20 (ii) −40 Q2. ..."
a) -1 b) 1 c) 0 d) 10
2 . The product of two rational numbers is-7/8 . If one of the numbers is 1/-6.Find the other.
a) 37/8 b) -42/8 c) 21/4 d) -7/48
3. Find the value of. -9/5 + -8 /5 ÷ 5/2 x -5/4
a) -1 b) -3 c) 2 d) -8
4. The additive inverse of -1/3 - ( -1/3 ) is ________.
a) 1/3 b) 0 c) -1/3 d) None of these.
5.The sum of three rational numbers is-1/5. If two of the numbers are, 3/10 and -2/5 find the third number.
a)-7/10 b)-11/10 c)2/3 d) -1/10
6. The sum of three rational numbers is-1/5. If two of the numbers are, 3/10 and -2/5 find the third number.
a)-7/10 b)-11/10 c)2/3 d) -1/10
7 What is the quotient when a non-zero rational number is divided by its additive inverse.
a) 0 b) -1 c) 1 d) None of these
8. The sum of 7/-3 and 5/-6is equal to the product of -5/3 and a number. Find the number.
a)35/6 b)5/3 c)-25/6 d) 19/10
9. What number should be subtracted from 3/7 to get 5/7.
a) -2/7 b) 2/7 c) 3/5 d) 1/7
10. For any rational number a,b,c ,which among the following is false. a) a x b=b x a
b) a x (b-c)=a x b-a x c
c) a x (b ÷ c)=a x b a x c
d) a x (b+c)=a x b+a x c
CBSE ADDA: 8th RATIONAL NUMBER: "CBSE ADDA CBSE MATH STUDY CBSE MATH COMPLETE STUDY Q1. Express −35 as a rational number with denominator: (i) 20 (ii) −40 Q2. ..."
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