Question
There are 5 Red caps, 3 Green caps and 2 Blue caps in a
box. 4 caps are chosen at random. What is the probability of their being 2 Red and 2 Blue caps?Solution
A man borrowed Rs 300 and promised to pay back in 11 equal instalments of Rs 30 each. Find the rate of simple interest per annum?
The interest obtained by investing Rs. (3p + 100) at a simple interest rate of 10% p.a. for 5 years is Rs. (2p + 250). Find the ratio (p - 75) : (p + 125).
Atul has Rs.300 with him. He invested 40% of the amount at 5% p.a. for 6 years and rest at 25% p.a. for 5 years. Find the sum of simple interests receiv...
A certain sum when invested for 3 years in a scheme offering simple interest of 16% p.a. gives an interest of Rs. 1128. What is 160% of the sum invested?
P invests Rs. 5,500 on compound interest at 16% p.a. (compounded semiannually) for 1 year. Find the interest earned by 'P'.
Sneha deposited Rs. ‘R’ in a bank offering compound interest of 13% p.a. compounded annually. After 3 years, she invested the amount received from t...
Raman gave 50% of his savings of 126150 to his wife and divided the remaining sum among his two sons Aman and Bhusan of 15 and 13 years of age respectiv...
Atul invested in scheme A and B that provide simple interest at the rate of 12% and 15% for 3 years and 5 years, respectively. Interest received from sc...
Ravi shared Rs. (x + 3600) between his two kids, Arjun and Bharat, in the ratio of 5:3. Arjun put his share in a simple interest scheme at 10% p.a. for ...
An amount of 'P' was invested at simple interest at the rate of (R - 2)% per annum. It becomes Rs. 7,200 in 4 years and Rs. 10,800 in 8 years. What is t...