1. What is the least number to be added to 6881 to make it a perfect square? (3)
1) 3
2) 5
3) 8
4) 11
5) 13
2. A person invests an amount of Rs. 4500 for three years at the rate of 20% per annum. What approximate amount of compound interest will he obtain at the end of three years? (2)
1) Rs. 3048
2) Rs. 3276
3) Rs. 3484
4) Rs. 3612
5) Rs. 3760
3. The average age of a man and his son is 46 years. The ratio of their ages is 16 : 7. What is the age of his son? (2)
1) 14 years
2) 28 years
3) 42 years
4) 21 years
5) None of these
4. Mohan invested an amount of Rs.14850 at the rate of 8% per annum for four years. What total amount will he obtain at the end of four years? (1)
1) Rs. 19602
2) Rs. 19848
3) Rs. 20124
4) Rs. 20478
5) None of these
5. A shopkeeper charges his customer 24% more than the cost price of an item. If the customer pays Rs.2046 for that item, what is the cost price of that item? (2)
1) Rs. 1600
2) Rs. 1650
3) Rs. 1680
4) Rs. 1700
5) None of these
