20% of 700 m is
(a) 560 m
(b) 70 m
(c) 210 m
(d) 140 m

Solution:

Given, total length is 700 m

We have to find 20% of the total length

20% of 700 = (20/100) × 700

= 20 × 7

= 140

Therefore, 20% of 700 m is 140 m.

✦ Try This: 10% of 200 m is

10% of 200 = (10/100) × 200

= 10 × 2

= 20 m

Therefore, 10% of 200 m is 20 m.

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 8

NCERT Exemplar Class 7 Maths Chapter 7 Problem 1

20% of 700 m is (a) 560 m, (b) 70 m, (c) 210 m, (d) 140 m

Summary:

20% of 700 m is 140 m.

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