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Word Problems

A bag contain...

Question

A bag contains 25 paise, 10 paise and 5 paise coins in the raito 1:2:3. If their total value is Rs. 30, the number of 5 paise coins is

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100

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150

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200

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Solution

The correct option is C 150
$25 p : 10 p : 5 P :: 1 : 2 : 3 L e t n o o f 25 p = x N o o f 10 p = 2 x N o o f 5 p = 3 x S o .25 x + .10 (2 x) + .05 (3 x) = 30 .25 x + .2 x + .15 x = 30 .6 x = 30 x = 50 S o n o o f 5 p a i s e c o i n s = 3 x = 150$

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