Question
A shopkeeper sells an item at a profit of 25% and
dishonestly uses a weight that is 30% less than the actual weight. Find his total profit%.Solution
ATQ,
Let CP of 1 kg = Rs. 100 So, he should sell at Rs. 125 (because of 25% profit). But he gives only 700g, which costs him Rs. 70, and sells it for Rs. 125. So, total profit = 125−70 = Rs.55 Now calculate profit% on cost: 
Akshay invested Rs. 960 in two schemes P and Q in the respective ratio of 5:3. Scheme P and Q are offering simple interest at the rate of 7% per annum a...
A certain sum at CI amounts to Rs 500 in 3 yr and to Rs 625 in 6 yr. Then the sum is ?    Â
Ajay invested a sum of money, represented as Rs. 'x', in a financial plan that yields a 10% annual compound interest. After three years, the total inter...
If the difference between the simple interest and compound interest, compounded annually, received on a principal amount of Rs. 25000 at an interest rat...
Kajal invested Rs. (y+2000) on compound interest at the rate of 18% per annum compounded annually in scheme P. She invested Rs. ‘y’ on 20% per annum...
A certain sum is invested at a simple interest rate of 10% per annum for a certain period. If the sum becomes five times the principal at the end of the...
The interest earned when a sum is invested at simple interest of 12% p.a., for 3 years, is Rs. 4500. What will be the total amount received after 2 year...
Rs. 25,000 invested at simple interest of 6% p.a. yields the same interest after 2 years as Rs. 40,000 when invested at simple interest of 'y%' p.a. yie...
Compound interest received after 2 years on ₹7000 at R% rate of interest compounded annually is ₹1164.8. Find the value of R.
- Priya deposited Rs. ‘x’ at 14% p.a. simple interest, and Neha deposited Rs. (x + 600) at 11% p.a. simple interest. If after 2 years, the total interest...
Relevant for Exams:
