Question
The ratio of prices of Coffee and Tea is 3 : 4 and the
ratio of their quantities consumed by a family is 4 : 7. Find the ratio of expenditures on Coffee and Tea.Solution
E1/ E2 = (P1/ P2)× (Q1/ Q2) =3 /4 ×4/7 = 3 :7 The ratio of the expenditure is 3:7
₹2,500, when invested for 8 years at a given rate of simple interest per year, amounted to ₹3,725 on maturity. What was the rate of simple interest...
A sum of Rs. 10,000 is invested at a rate of 8% per annum for 3 years. What will be the difference between the compound interest compounded annually and...
- An investment of Rs. 20,000 at simple interest amounts to Rs. 25,500 in 5 years. Find the annual rate of interest.
Compound interest received after 2 years on ₹7000 at R% rate of interest compounded annually is ₹1164.8. Find the value of R.
- Deepali invests Rs. 8,300 at a simple interest rate of 4% per annum for 6 years. The total amount she receives is Rs. '2k'. What is the product of the digi...
A sum of ₹12,000 is invested for 3 years at a certain rate of simple interest. If the same sum was invested at the same rate for 2 years under compoun...
Rs. 6,000 is deposited in Scheme 'X' which provides compound interest at 8% per annum, compounded annually. Another amount of Rs. 5600 is invested in Sc...
What will be the ratio of simple interest earned on certain amount at the same rate of interest for 8 years and that for 10 years?
Anil borrowed Rs.20000 on CI at the rate of 10% for three years. He paid at the end of first year (1/8)th of amount and end of second year (1/5)th of am...
Rs. 9500 is invested in scheme ‘A’ for a year at simple interest of 50% p.a. The interest received from scheme ‘A’ is reinvested for 2 years in ...
