NCERT Class 7 Mathematics Solutions: Chapter 8 –Comparing Quantities Exercise 8.2 Part 4
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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 childrenTotal 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.