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Quantitative Aptitude

Ratio & Proportion

Q. In a bag, ...

Question

Q. In a bag, there are coins of 25 p, 10 p, and 5 p in the ratio 1:2:3. If there are Rs, 30 in all, how many 5 p coins are there?

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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
Let the number of coins be 1x, 2x, 3x
$.25 x + .10 \times 2 x + .05 \times 3 x = 30 x = \frac{30}{.6} = 50 Number of 5 p coin = 50 \times 3 = 150$

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Q. In a bag, there are coins of 25 p, 10 p, and 5 p in the ratio 1:2:3. If there are Rs, 30 in all, how many 5 p coins are there?

The correct option is C 150Let the number of coins be 1x, 2x, 3x .25x+.10×2x+.05×3x=30x=30.6=50Number of 5 p coin =50×3=150

The correct option is C 150
Let the number of coins be 1x, 2x, 3x
$.25 x + .10 \times 2 x + .05 \times 3 x = 30 x = \frac{30}{.6} = 50 Number of 5 p coin = 50 \times 3 = 150$