RD Sharma solution class 7 chapter 11 Percentage Exercise 11.1

Exercise 11.1

Page-11.3

Question 1:

Express each of the following per cents as fractions in the simplest forms:
(i) 45%
(ii) 0.25%
(iii) 150%
(iv) 614%

Answer 1:

(i) 45% =  45/100 = 9/20
(ii) 0.25% =  0.25/100 = 25/10000 = 5/2000 = 1/400
(iii) 150% = 150/100 = 15/10 = 3/2
(iv) 614%=254÷100=25100×4=116

Question 2:

Express each of the following fractions as a per cent:
(i) 34
(ii) 53100
(iii) 135
(iv) 720

Answer 2:

(i) 34×100%=75%
(ii) 53100×100%=53%
(iii) 135=85×100%=160%
(iv) 720×100%=35%

Page-

No comments:

Post a Comment

Contact Form

Name

Email *

Message *