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Coins of Re 1, 50 paise and 25 paise are in the ratio 2 : 3 : 4 and total Rs 90. How many 25 paise coins are there?

A40
B60
C80
D70
Answer & Solution
Correct answer: C. 80
Value per unit is 2 + 1.5 + 1 = Rs 4.5, so the unit is 20 and the 25 paise coins number 4 x 20 = 80.
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