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At present sum of age = 60 years After 6 years sum of age will be, => 5x + 4x + 3x + 2x = 60 + 6 × 4 => 14x = 60 + 24 => x = 84/14 => x = 6 C’s present age = 3x – 6 = 12 years
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A certain sum of money yields Rs. 9,930 as compound interest for 3 years at 10% per annum. The sum is (in rupees).
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A certain sum of money becomes 5 times of itself in 20 years at simple interest. In how many years does it become double of itself at the same rate of s...
Arjun made two investments: the first was Rs. 1,600 at an annual simple interest rate of R% for a period of 2 years, and the second was Rs. 2,000 at an ...
