# NCERT Class 7 Mathematics Solutions: Chapter 8 – Comparing Quantities Exercise 8.2 Part 4 (For CBSE, ICSE, IAS, NET, NRA 2022)

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1. Convert given percents to decimal fractions and also to fractions in simplest forms:

(a)

(b)

(c)

(d)

Answer:

Below table of Percentage, Fractions in simplest form and decimal form:

S. No. | Per cents | Fractions | Simplest form | Decimal form |

(a) | ||||

(b) | ||||

(c) | ||||

(d) |

2. In a city, are females are males and remaining are children. What percent are children?

Answer:

Given:

Percentage of females

Percentage of males

Total percentage of females and males

Percentage of children Total percentage Percentage of males and females

So, in city are children՚s.

3. Out of voters in a constituency, voted. Find the percentage of voters who did not vote. Can you now find how many actually did not vote?

Answer:

Total voters

Percentage of voted candidates

Percentage of not voted candidates

Actual candidates, who did not vote

So, candidates did not vote.