Ratio, Proportion

Quantitative Aptitude ( CCS)

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Rs. 180 contained in a box consists of one rupee, 50 paise and 25 paise coins in the ratio 2:3:4. What is the number of 50 paise coins?

120

150

180

Explanation:

Total money in paise = 180 × 100 = 18000 paise
let No of Rs. 1 coin or 100 paise = 2x
No of 50 paise = 3x
No of 25 paise = 4x
According to question,
2x × 100 + 3x × 50 + 4x × 25 = 18000
200x + 150x + 100x = 18000
450x = 18000
x = 40
Therefore, No. of 50 paisa coins = 3 × 40 = 120

By: MIRZA SADDAM HUSSAIN

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