**Rational Numbers MCQ Questions Class 8 Maths Chapter 1**

NCERT MCQ Questions for Class 8 Maths Chapter 1 Rational Numbers. Rational Numbers MCQ Questions with Answers from Class 8 Mathematics.

**Rational Numbers MCQ Questions Class 8 Maths Chapter 1**

Rational Numbers Multiple Choice Questions with Answers Class 8 Maths Chapter 1 PDF is available.

**Question 1: **

**Using appropriate properties find? **

**-4/3 ****× 3/2 + 8/3 × 9/2 + 16 =? **

**(a) -26 **

**(b) 26 **

**(c) 23 **

**(d) -24 **

**Ans: **

-4/3 × 3/2 = -2, 8/3 × 9/2 = 12

-4/3 × 3/2 + 8/3 × 9/2 + 16

= -2 + 12 + 16

= 26 (b)

**Question 2: **

**Write additive inverse of -7/13 **

**(a) 7/13 **

**(b) 13 **

**(c) -13 **

**(d) 0 **

**Ans: **

(a), 7/13 is the additive inverse -7/13 because

-7/13 + 7/13

= -7+7/13

= 0/13

= 0 (a) 7/13.

**Question 3: **

**Find the multiplicative inverse of -17 **

**(a) +17 **

**(b) 289 **

**(c) -289 **

**(d) -17 **

**Ans: **

17 is the multiplicative inverse of -17

17 x (-17)

= -289 (a) +17

**Question 4: **

**Solve (-13/27) × 12/17 = 13/17 × -12/27 **

**(a) -156/459 **

**(b) 156/459 **

**(c) 459/156 **

**(d) -156/289 **

**Ans: **

(-13) × 12/27×17

= 13 × (-12)/17 × 27

= -156/459

**Question 5: **

**Multiply 7/13 by the reciprocal of -7/16 **

**(a) -16/13 **

**(b) +16/13 **

**(c) 3/16 **

**(d) -13/16 **

**Ans: **

Reciprocal of -7/16 is 16/-7

16/-7 × 7/13

= -16/13 (a)

**Question 6: **

**Fill in the blanks: **

**______ has no reciprocal. **

**(a) One **

**(b) Zero **

**(c) Two **

**(d) Three **

**Ans: **

(b) Zero.

**Question 7: **

**13/6 is the reciprocal of —— **

**(a) 6/13 **

**(b -13/6 **

**(c) -6/13 **

**(d) 0 **

**Ans: **

(a) 6/13 is the reciprocal of 13/6

**In case you have missed:- NCERT MCQ Questions for Introduction to graph**

**Question 8: **

**Find 2/7 × 7/18 + 4/9 × 9/36 =? **

**(a) 3/2 **

**(b) 1/3 **

**(c) 2/9 **

**(d) 9/2 **

**Ans: **

2/7 × 7/18 + 4/9 × 9/13

= 1/9 + 1/9

= 2/9 (c)

**Question 9: **

**Find 2/13 × 13/16 × 4/5 × 15/16 × ½ =? **

**(a) 4/89 **

**(b) 2/83 **

**(c) 64/3 **

**(d) 3/64 **

**Ans: **

2/13 × 13/16 × 4/5 × 15/16 × 1/2

= 1/8 × 3/4 × ½

= 3/64 (d)

**Question 10: **

**Find 2/5 × (-3/8) + 3/5 × 15/16 – 1/4 =? **

**(a) 9/13 **

**(b) -13/80 **

**(c) 13/80 **

**(d) 80/13 **

**Ans: **

2/5 × -3/8 = -3/20, 3/5 × 15/16 = 9/16

2/5 × -3/8 + 3/5 × 15/16 – -1/4 = -3/20 + 9/16 – 1/4

(c) 13/80 = -192 + 720 – 320/1280

= 208/1280

= 13/80

**Question 11: **

**Find the rational number between 2/3 and 1/2. **

**(a) -7/12 **

**(b) 7/12 **

**(c) 5/3 **

**(d) 6/3 **

**Ans:**

(b) 7/12

(2/3 + ½) ÷ 2

= (4+3/6) ÷2

= 7/6 × ½

= 7/12

7/12 lies between 2/3 and ½

**Question 12 **

**Choose rational number greater than -3 **

**(a) -3 **

**(b) -4 **

**(c) -5 **

**(d) -1/2 **

**Ans **

(d) -1/2 is the rational number greater than -3.

**Question 13: **

**Represent the -1/3, -2/3, -3/3 on the number line **

**Question 14: **

**Write the additive inverse of -6/13 **

**(a) 6/13 **

**(b) 13/6 **

**(c) -13/6 **

**(d) 6/5 **

**Ans: **

(a) 6/13 is the additive inverse of -6/13

6/13 + -6/13

= 6-6/13

= 0/13

= 0

**Question 15: **

**Solve -8/9 × 9/16 + 4/30 × 15/16 =? **

**(a) -3/5 **

**(b) 5/3 **

**(c) 8/3 **

**(d) -3/8 **

**Ans: **

(d) -3/8, -8/9 × 9/16 = -1/2

4/30 × 15/16 = 1/8

-8/9 × 9/16 + 4/30 × 15/16

= -1/2 + 1/8

= -4+1/8

= -3/8

**In case you have missed:- Next Chapter MCQ Questions**

Your MCQ 3 is wrongly asked of chaper 1 std 8

There should be additive inverse instead of multiplicative inverse