An amount of Rs. 107.25 is made up of 100p, 50p and 25p coins, the number of coins being in the ratio 5 : 6 : 7 respectively. How many coins are present in total?

An amount of Rs. 107.25 is made up of 100p, 50p and 25p coins, the number of coins being in the ratio 5 : 6 : 7 respectively. How many coins are present in total?

1). 190
2). 198
3). 200
4). None of these

1 answers

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Guest · Accepted Answer · 2019-06-22 11:51:35

Ratio of coins = 5 : 6 : 7

Value of coins = 100p, 50p, 25p

Collection ratio = 500 : 300 : 175 = 20 : 12 : 7

Sum of ratio = 20 + 12 + 7

Value of 100p coins = 20/39 × 107.25=Rs. 55

Number of 100p coins i.e. Re.1 coin = 55

Value of 50p coins = 12/39 × 107.25=Rs. 33

Number of 50p coins = 33 × 2 = 66

Value of 25p coins = 7/39 × 107.25=Rs. 19.25

Thus number of 25p coins = 19.25 × 4 = 77

∴ Total number of coins = 55 + 66 + 77 = 198

An amount of Rs. 107.25 is made up of 100p, 50p and 25p coins, the number of coins being in the ratio 5 : 6 : 7 respectively. How many coins are present in total?

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