A bag contains 600 coi

Question

A bag contains 600 coins of 25 p. denomination and 1200 coins of 50 p denomination . If 12% of 25 p coins and

24% of 50 p coins are removed , the percentage of money removed from the bag is nearly ::

Options:

A . 15.6%

B . 17.8%

C . 21.6%

D . 30%

Answer: Option C

Total money = Rs.`(600 xx 25/100 + 1200 xx 50/100)` = Rs. 750

25 paise coins removed = `(12/100 xx 600)` = 72.

5o paise coind removed = `(24/100 xx 1200)` = 288.

Money removed = Rs.`(72 xx 25/100 + 288 xx 50/100)` = Rs. 162

`:.` Required percentage = `(162/750 xx 100)`% = 21.6%

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