Three friends, Amit, Bala, and Chetan, have savings in the ratio 5:7:9. If Bala's savings exceed Amit's by ₹3,600, what are Chetan's total savings?
₹16,200
Savings ratio 5:7:9 means each part is worth k. Bala exceeds Amit by 2 parts: \(7k-5k=2k=3600 \Rightarrow k=1800\).
Chetan's savings: \(9k = 9\times1800 = 16200\).
Hence, Chetan's total savings are ₹16,200.
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Important Questions from Ratio and Proportion
If the ratio of three numbers A, B and C is 2 ∶ 3 ∶ 5, and the sum of the squares of these numbers is 3800, then the value of C is:
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The ratio of three numbers is 3 ∶ 5 ∶ 4 and the sum of their squares is 11250. Find the sum of the numbers.
When 'x' is subtracted from each of the numbers 22, 39, 56 and 107, then the resulting numbers, in this order, are in proportion. What is the mean proportional between (x + 3) and (3x - 7)?
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