A bag contains 12 black and 14 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
Let number of balls = (12 + 14) = 26 Number of white balls = 14 P (drawing a white ball) = 12/26 = 7/13
A Motorbike can be purchased on cash payment of Rs. 30000. But the same Motorbike can also be purchased on the cash down payment of Rs 7000 and the rest...
The interest earned on investing Rs. 5000 for 2 years at the rate of 20% p.a., compounded annually, is used to purchase an article. If the article is la...
A man invested Rs. 't' in scheme 'I' offering simple interest at 11% for 7 years and Rs. 2,700 in scheme 'J' offering simple interest at 13% for 6 years...
Simple interest received at the rate of 12% p.a. for 6 years on a principal amount of Rs. 8000 is twice of the simple interest received at 10% p.a. for ...
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 interes...
Rs. 4500 is invested in scheme ‘A’ for a year at simple interest of 40% p.a. The interest received from scheme ‘A’ is reinvested for 2 years in ...
If an investment of Rs. 5,120 grows to Rs. 6,480 in two years when compounded annually at an interest rate of 'R%' per annum, calculate the value of 'R'.
Rahul secures a loan amounting to Rs. 8,800 from a bank, which charges an annual simple interest rate of 20%. He then allocates this sum into an investm...
The difference between compound interest and simple interest at rate of 16% per annum for 2 years is Rs. 192. Find the simple interest obtained on same ...
If the ratio of the sum invested and simple interest received after 1 year is 25:11 respectively, then find the rate of interest.
