Mathematics
A sum of money, lent out at simple interest, doubles itself in 8 years. Find:
(i) the rate of interest.
(ii) in how many years will the sum become triple (three times) of itself at the same rate percent?
Related Questions
Manoj invested ₹ 8,000 for 10 years at 10% p.a. simple interest. The amount at the end of 2 years will be :
₹ 9,600
₹ 9,800
₹ 16,000
None of these
Rupees 4,000 amounts to ₹ 5,000 in 8 years; in what time will ₹ 2,100 amount to ₹ 2,800 at the same rate?
What sum of money lent at 6.5% per annum will produce the same interest in 4 years as ₹ 7,500 produce in 6 years at 5% per annum?