Question
A is 3 years older than B while C is 5 years younger
than B. The ratio of age of A, 6 years hence and age of B, 5 years ago is 4:3. What was age of C, 8 years ago?Solution
Let the present age of B be x years. A’s present age = (x + 3) years C’s present age = (x - 5) years According to question, => [(x + 3) + 6]/(x -5) = 4/3 => x = 47 C’s age, 8 years ago = (47 - 5) – 8 = 34 years
The simple interest accrued in five years on a principal of Rs. 50,000 is one – tenth of the principal. What is the rate of simple interest...
A deposited Rs. 3500 at 35% per annum compound interest in scheme A for 2 years. After 2 years, he deposited total amount at 10% simple interest per ann...
If interest is compounded half-yearly, then find the compound interest on Rs. 8,000 at the rate of 20% per annum for 1 year.
Karan had Rs. 10000 with him. He invested 50% of the sum at 9% p.a. and the rest at 12% p.a., both at simple interest for 2 years each. Find the total i...
A sum of money will amount to Rs. 672 in 2 year & in 3 year it is to be 714 in compound interest . Find the rate of interest?
Anjali invested Rs.8000 in a scheme offering compound interest of x% p.a. compounded annually. If at the end of 2 years, interest received by her from t...
A woman invests Rs. 2000 at the start of each year at 5% compound interest per annum. How much will her investments be at the end of the 2nd year?
At simple interest, a sum of Rs 6,000 becomes Rs 7,080 at 8% per annum. For how many years was the money invested?
Anjali invested Rs.14000 in a scheme offering compound interest of x% p.a. compounded annually. If at the end of 2 years, interest received by her from ...
Rohit deposited Rs. ‘x’ in a bank at 8% compound interest per annum for 3 years, compounded annually. If he earned an interest of Rs. 2,597.12, find...
