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We can say that, Amount received on investing Rs.‘a’ for 2 years at 20% interest p.a., compounded annually = a × (1 + 20/100)2 = Rs.{a × (6/5)2} Amount received on investing Rs. (a + 2300) for 2 years at 10% interest p.a., compounded annually = (a + 2300) × (1 + 10/100)2 = Rs. {(a + 2300) × (11/10)2} ATQ; a × (6/5)2 = (a + 2300) × (11/10)2 Or, (36a/25) = (a + 2300) × (121/100) Or, (36a/25) × (100/121) = a + 2300 Or, 144a = 121a + 287300 Or, 23a = 278300 Or, a = 12100
The interest received by investing Rs. 4500 for 2 years at compound interest of 20% p.a., compounded annually, was re-invested for 3 years at simple int...
A certain sum of money becomes 3000 in 6 years and Rs. 4000 in 10 years at any certain rate of simple interest. Find the principal amount.
The simple interest on a sum of money is 9/35 of the sum. If the number of years is numerically 5/7 times of rate percent per annum, then the rate perc...
A man invested certain sum at simple interest of r% p.a. such that it amounts to 124% of itself in 10 years. Find the interest earned when Rs. 10000 is ...
Rs. ’P’ invested at a rate of 10% p.a. compound interest (compounded annually) amounts to Rs. 7744 at the end of 2 years. Find the simple interest e...
The simple interest on a sum of money is 9/20 of the sum. If the number of years is numerically half the rate per annum, then find the rate percent per ...
A sum of Rs. 3500 is invested at simple interest for 2 years. If the rate interest for first year is 10% p.a. while 18% p.a. for second year, then find ...
A certain sum of money becomes Rs. 1250 in 1 year and 2500 in 3 years at certain rate of simple interest. Find the sum of money invested.
The difference between compound and simple interest on a sum of money for 2 years at 25% per annum is Rs. 880. The sum is:
Rs. 5000 is invested in scheme ‘A’ for 2 years and Rs. 8000 is invested in scheme ‘B’ for 2 years. Scheme ‘A’ offers simple interest of 16% ...
