The average cost of three chairs is Rs.10000. The average cost decrease by 10% when one more chair is included. What is the cost price of the 4th chair?
Total cost of three chairs = 10000 × 3 = Rs. 30000 Average cost of all the four chairs = 10000 × (90/100) = Rs. 9000 Total cost of all the four chairs = 9000 × 4 = Rs. 36000 Cost of the 3rd chair = 36000 - 30000 = Rs. 6000
Rs.5,000 is divided into two parts such that if one part is invested at 4% and the other at 5%, then the whole annual interest from both sums is Rs.223....
sum invested at a certain rate of compound interest, compounded annually amounts to Rs.12,240 after 2 years and amounts to Rs. 17,625.6 after 4 years. I...
Veeru invested Rs. 3100 at 20% p.a. simple interest for 3 years. After 3 years, he invested the amount received by him at the 20% p.a. compound interest...
Aman invested Rs. 'a' and Rs. (a + 2300) in SIP 'P' and 'Q', respectively, in a way that the amounts received from both SIPs after 2 years are equal. If...
The interest received by investing Rs. 1000 for 2 years at compound interest of 20% p.a., compounded annually, was re-invested for 4 years at simple int...
Rahul invested Rs. 2450 at a 40% per annum simple interest rate for 'y' years, and this investment yielded a total amount of Rs. 4410. Find the interest...
Akshay invested Rs. 2100 in two schemes P and Q in the respective ratio of 9:5. Scheme P and Q are offering simple interest at the rate of 8% per annum ...
A sum of money doubles itself in 4 years in how many years it will be 5 times?
At what % of simple interest per annum will Rs. 400 amount to Rs. 620 in five years?
A man deposited Rs. ‘x + 1300’ at 12% per annum simple interest and earned Rs. 852 as interest after 2 years. Find the interest earned by him if he ...
