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Quantitative Aptitude

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Number Systems and Ratio & Proportion

Question
20 out of 30
 

In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?
 
A 150
B 100
C 50
D 200
E None of These
Ans. A Rs. 30 = 30 x 100 = 3000 paisa

25 x X + 10 x 2X + 5 x 3X = 3000

60 X = 3000, X = 50

3X = 150

Number Systems and Ratio & Proportion Flashcard List

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