A sum in invested at 20% compound interest, compounded annually. In two years it would have fetched ₹ 60.25 more if the interest was compounded half yearly. Find the sum.
Rohit borrows ₹ 400 at the rate of 5% per annum simple interest and Abhishek borrows ₹ X at the rate of 4% per annum simple interest. After 15 years their amount of debt. becomes equal. Find X.
If of A = 60% of B of C, then A : B : C is equal to:
In two types of stainless steel the ratio of chromium and steel are 1 : 3 and 3 : 5 respectively. In what proportion should the two types be mixed so that the ratio of chromium to steel in mixed type becomes 1 : 2?
If a : b : c = 1 : 2 : 3 and 3a + 4b – c = 24, find the value of b.
The ratio of total amount distributed in all the males and females as salary is 4 : 5, while the ratio of salary of each male and each female is 4 : 7. Find the ratio of no. of males & females.
A fruit seller sold three varieties of fruits at the rate of Rs 20, Rs 25 and Rs 27. If the quantity of the fruits sold were in the ratio 1 : 2 : 5 find the average rate of the fruits.
If the compound interest on a certain sum is ₹ 520 for 2 years at % per annum, what will be the simple interest on that sum in 3 years at the same rate of interest?
Aman lent ₹ 2000 each to Amit and Rakesh. After 2 years the difference of simple interests received from both sources is found to be ₹ 32.8. The difference between their rates of interest will be:
Find compound interest on a sum of ₹ 8000 for 9 months at 20% per annum, if the interest is being compounded quarterly.
