# Ex 8.2, 5 (d) - Chapter 8 Class 7 Comparing Quantities

Last updated at Sept. 3, 2021 by Teachoo

Last updated at Sept. 3, 2021 by Teachoo

Transcript

Ex 8.2, 5 Find the whole quantity if (d) 70% of it is 14 minutes Given 70% of total is 14 minutes Therefore, 70% × Total = 14 minutes 70/100 × Total = 14 minutes Total = 14 × 100/70 minutes Total = 14 × 10/7 minutes Total = 2 × 10 minutes Total = 20 minutes So, total is 20 minutes

Ex 8.2

Ex 8.2, 1 (a)

Ex 8.2, 1 (b)

Ex 8.2, 1 (c)

Ex 8.2, 1 (d)

Ex 8.2, 2 (a)

Ex 8.2, 2 (b)

Ex 8.2, 2 (c)

Ex 8.2, 2 (d)

Ex 8.2, 3 (i)

Ex 8.2, 3 (ii)

Ex 8.2, 3 (iii)

Ex 8.2, 4 (a) Important

Ex 8.2, 4 (b)

Ex 8.2, 4 (c)

Ex 8.2, 4 (d)

Ex 8.2, 5 (a) Important

Ex 8.2, 5 (b)

Ex 8.2, 5 (c)

Ex 8.2, 5 (d) You are here

Ex 8.2, 5 (e)

Ex 8.2, 6 (a)

Ex 8.2, 6 (b)

Ex 8.2, 6 (c)

Ex 8.2, 6 (d)

Ex 8.2, 7

Ex 8.2, 8 Important

Ex 8.2, 9

Ex 8.2, 10

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