Question
The interest received by investing Rs. 3000 for 2 years
at compound interest of 20% p.a., compounded annually, was re-invested for 3 years at simple interest of 28% p.a. Find the simple interest received.Solution
Compound Interest received = 3000 × {1 + (20/100)}2 – 3000 = 3000 × (12/10)2 – 3000 = 4320 – 3000 = Rs. 1320 Simple interest received = 1320 × 3 × 28 ÷ 100 = Rs. 1108.8
- The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are f... 
- Three of the following four number-clusters are alike in a certain way and thus form a group. Which is the one that does not belong to that group? 
- Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the letter-cluster that is different. 
- Find the one which does not belong to that group? 
- Four letter- clusters have been given, out of which three are alike in some manner, while one is different. Choose the odd one. 
- Find the odd one out 
- Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different. ...
- Find the odd number from the given alternatives. 
- Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different. 
- In each of the following questions, a group of four words are given. Choose the word which is odd .