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**Q.1 Find the ratio of the following.
**

(b) We know that, 1 km = 1000 m. So, 10 km = 10 x 1000 = 10,000 m

Therefore, required ratio =

(c) We know that, 1 Rs = 100 paise. So, 5 Rs = 500 paise

Therefore, required ratio =

**Q.2 Convert the following ratios to percentages.
**

Percentage of 3 : 4 =

(b) 2 : 3

Percentage of 2 : 3 =

**Q.3 72% of 25 students are good in mathematics. How many are not good in mathematics?
**

Therefore, percentage of students not good in mathematics = (100 â€“ 72)% = 28%

Hence, number of students not good in mathematics =

Thus, there are 7 students not good in mathematics.

**Q.4 A football team won 10 matches out of the total number of matches they played. If their win percentage was 40, then how many matches did they play in all?
**

Given, team had won 10 matches and the winning percentage of the team was 40%.

Therefore,

Hence, the team had played 25 matches.

**Q.5 If Chameli had Rs 600 left after spending 75% of her money, how much did she have in the beginning?
**

Given, Chameli had Rs 600 left after spending 75% of her money.

Therefore, of

25%of

Rs

Rs

Rs

Hence, Chameli had Rs 2400 in the beginning.

**Q.6 If 60% people in a city like cricket, 30% like football and the remaining like other games, then what per cent of the people like other games? If the total number of people are 50 lakh, find the exact number who like each type of game.
**

Therefore, number of people who like other games = 100% - (60% + 30%) = 10%

Given, total number of people = 50 lakh

Hence, number of people who like cricket = lakh

Number of people who like cricket = lakh

Number of people who like cricket = lakh

Thus, number of people who like other games are 5 lakh.

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