Question
I am afraid (a) / I did a mistake (b) / in the
calculation (c) / No error (d)Â In these questions some of the sentences have errors and some have none. Find out which part of a sentence has an error and indicate it corresponding to the appropriate letters. If there is no error, indicate corresponding to the last option.Solution
‘Make a mistake’ is a pure idiomatic expression. Hence use ‘I made a mistake’ in place of ‘I did a mistake’.
P invests Rs. 5,500 on compound interest at 16% p.a. (compounded semiannually) for 1 year. Find the interest earned by 'P'.
Krishna invests a certain amount at an annual simple interest rate of 9% for 2 years. The total amount he receives after this period is then reinvested ...
Atul has Rs.600 with him. He invested 30% of the amount at 5% p.a. for 6 years and rest at 15% p.a. for 4 years. Find the sum of simple interests receiv...
A person invested Rs. 75,000 at an annual compound interest rate of 12%, compounded annually for 12 months. How much more profit would he have earned if...
The interest earned on investing Rs. 1000 for 2 years at the rate of 20% p.a., compounded annually, is used to purchase an article. If the article is la...
The simple interest on a sum of money is 4/25 of the sum. If the number of years is numerically half the rate per annum, then find the rate percent per ...
Rs. 2,800 increases to Rs. 3,640 in 4 years at a simple interest rate of r% per annum. If Rs. 7,000 is put at 2r% per annum for 1 year, how much interes...
Suresh earned an interest of Rs. 1548 on principal amount of Rs. 4800 at some rate of compound interest in 2 years. How much more/less interest would he...
Akshay invested Rs. 1200 in two schemes P and Q in the respective ratio of 7:3. Scheme P and Q are offering simple interest at the rate of 10% per annum...
Simple interest received at the rate of 20% p.a. for 6 years on a principal amount of Rs. 9000 is twice of the simple interest received at 10% p.a. for ...
