RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7

RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7

These Solutions are part of RD Sharma Class 8 Solutions. Here we have given RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7

Other Exercises

Question 1.
Divide :
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 1
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 2
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 3
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 4

Question 2.
Find the value and express as a rational number in standard form :
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 5
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 6
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 7

Question 3.
The product of two rational numbers is15. If one of the numbers is -10, find the other.
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 8

Question 4.
The product of two rational numbers is\(\frac { -9 }{ 8 }\) if one of the numbers is \(\frac { -4 }{ 15 }\), find other.
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 9

Question 5.
By what number should we multiply \(\frac { -1 }{ 6 }\) so that the product may be \(\frac { -23 }{ 9 }\) ?
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 10

Question 6.
By what number should we multiply \(\frac { -15 }{ 28 }\) so that the product may be \(\frac { -5 }{ 7 }\) ?
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 11

Question 7.
By what number should we multiply \(\frac { -8 }{ 13 }\) so that the product may be 24 ?
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 12

Question 8.
Bv what number should \(\frac { -3 }{ 4 }\) multiplied in order to produce \(\frac { 2 }{ 3 }\) ?
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 13
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 14

Question 9.
Find (x +y) + (x – y), if
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 15
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 16
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 17
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 18
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 19

Question 10.
The cost of 7 \(\frac { 2 }{ 3 }\) metres of rope is Rs 12 \(\frac { 3 }{ 4 }\).Find its cost per metre.
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 20
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 21

Question 11.
The cost of 2 \(\frac { 1 }{ 3 }\) metres of cloth is Rs. 75 \(\frac { 1 }{ 4 }\)Find the cost of cloth per metre.
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 22

Question 12.
By what number should \(\frac { -33 }{ 16 }\) be divided to get \(\frac { -11 }{ 4 }\) ?
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 23

Question 13.
Divide the sum of \(\frac { -13 }{ 5 }\) and \(\frac { 12 }{ 7 }\) by the product of \(\frac { -31 }{ 7 }\) and \(\frac { -1 }{ 2 }\).
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 24

Question 14.
Divide the sum of \(\frac { 65 }{ 12 }\) and \(\frac { 12 }{ 7 }\) bv their difference.
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 25

Question 15.
If 24 trousers of equal size can be prepared in 54 metres of cloth, what length of cloth is required for each trouser ?
Solution:
RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 26

Hope given RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.7 are helpful to complete your math homework.

If you have any doubts, please comment below. Learn Insta try to provide online math tutoring for you.