A certain sum of money increased by 72.8% at a certain rate in three years with interest being compounded annually. If the same sum is lent at simple interest at the same rate of interest, in how many years would it become four times itself?
I invested Rs.50000 in a business. In the first year I suffered a loss of 5%. In the second and the third years (assuming that profit was reinvested for the next year), I made profits of 10% and 15%. Instead had I invested the money at 10% p.a. compound interest for the three years, how much additional amount would I have earned?
A sum of money is lent at a certain rate of interest at compound interest. If, instead the same amount was lent at simple interest the interest for the first two years reduces by Rs.160 and that for the first three years reduces by Rs.488. Find the sum
A sum of money under compound interest doubles itself in 4 years. In how many years will it become 16 times itself?
None of these
A certain loan amounts, under compound interest, compounded annually earns an interest of Rs.1980 in the second year and Rs.2178 in the third year. How much interest did it earn in the first year?
None of these
A man borrowed Rs.80000 at the rate of 10% p.a. compound interest, interest being compounded annually. How much amount should he have repaid at the end of the first year, if by repaying Rs.55000 at the end of the second year he can clear the loan?
A sum was lent at 20%p.a compound interest, the interest being compounded annually. Rs.1200 was paid back after 1 year. After another year Rs. 1440 was repaid to clear the loan. Find the sum lent.
Which of the following rates of interest yield the maximum interest in 2 years on a certain sum?
Interest compounded per month at 1% p.m.
Interest compounded per month at 1.5% p.m.
Interest compounded per half year at 6% per half year
Interest compounded per year at 12% p.a.
Interest compounded per quarter at 3% per quarter
A sum doubles in 8 years at compound interest. In how many years will the sum become 4 times the original sum if the interest is compounded annually?
A certain sum when lent at compound interest, the interest being compounded annually, amounts to Rs.1331 in 3 years and Rs. 1464.10 in 4 years. Find the rate of interest per annum.
The interest on a certain sum lent at compound interest, the interest being compounded annually, in the 2nd year is Rs.1200. The interest on it in the 3rd year is Rs 1440. Find the rate of interest per annum.
Find the effective rate of interest if the normal rate of interest is 10% p.a. and the interest is compounded every six months.
The difference between the interests earned on a principal under a certain rate of compound interest in pth year and (p + 1)th year is more than that in the qth year and (q + 1)th year if
p > q
p = q
Find the interest earned in the first year on Rs.400 at 20%p.a. compound interest, the interest being compounded half yearly.
If Rs.2000 amounts to Rs.2880 in 2 years at compound interest, what is the rate of interest per annum if the interest is being compounded annually?
Find the compound interest earned on Rs.20000 for 2 years at 10% p.a. the interest being compounded annually.