Question
David takes a loan of Rs. 20000
from his friend Alex, which he is to return at 10% p.a. simple interest after 5 years. Alex takes a loan from George, which he returns after 2 years at 10% p.a. compound interest. If Alex returns Rs. 24200 to George, then what is the difference between the amount borrowed by Alex from George and the amount returned by David to Alex?Solution
Amount David Returns to Alex: Principal: 20000, Rate: 10%, Time: 5 years. Simple Interest = (20000×10×5)/100 = 10000. Total Amount = 20000+10000=30000.
Amount Alex Borrowed from George: Returned 24200, Rate: 10%, Time: 2 years. Using Compound Interest formula:
Difference: Amount returned by David: 30000. Amount borrowed by Alex: 20000 Difference = 30000 − 20000=10,000.
What is the speed of a train?
Statement I: The train crosses a pole in 10 seconds.
Statement II: The length of the train is 240 metres.<...
P, Q and R together invested an amount of Rs. 55,000 in the ratio of 5:2:4 for different period of time. What was the amount of profit earned by...
What is the principal?
I. The simple interest obtained on the principal after 2 years at 16% rate of interest is Rs 140.8 less than the compound ...
By selling a product for Rs 540 how much profit was earned?
I. 25% profit would have been earned if it had been sold for Rs 450.
II. The p...
Jolly borrowed some money at compound interest for 4 years. What will be the amount required to return after 4 years?
Statement I: If the amount...
The ratio between the present ages of the Mohit and Rekha is 2:3. Find the present age of the Rekha.
I: Difference between the present ages of th...
In how much time can Pipe C empty the tank? Statement I: Pipes A and B can fill half the tank in 6 hrs 30 minutes. Statement II: Together with empty...
The question consists of two statements numbered “I and II” given below it. You have to decide whether the data provided in the statements are suffi...
A man invested a sum of Rs 25,000. He invested some part at 5 % p.a. and remaining at 5.5% p.a. How much money did he invest at 5 % p.a.?
Statem...
How many boys are there in the class?
I. The number of girls is 30% of the number of boys.
II. The ratio of the number of boys to that of girls is 3:5.