Quantitative Aptitude

1. If ratio of investment of A, B and C are in the ratio 3 : 5 : 8 and the time of investment of A, B and C are 100/3%,80% and 25% respectively of their investment, and profit of A is 4800 then what will be the profit of C. (1)

1. (1) 25,600
2. (2) 15,600
3. (3) 24,800
4. (4) 22,500
5. (5) 26,700

2. A and B can do a piece of work in 25 days and 30 days respectively. They start the work together but after some days A leaves the job. B alone does the remaining work in 8 days. Find after how many days does A leave the job?                                                                                                                (3)

1. (1) 12 days
2. (2) 8 days
3. (3) 10 days
4. (4) 16 days
5. (5) None of these

3. A trader marked his goods at 20% above the cost price. He sold half of the stock at marked price. One quarter at a discount of 20% on marked price and rest at a discount of 40% on marked price, then his gain is               (3)

1. (1) 2.5 %
2. (2) 2.2 %
3. (3) 2 %
4. (4) 1.9 %
5. (5) None of these

4. Satish invested 16000 Rs. in simple interest for 2 years on certain rate and gets an interest of 4800 Rs, if he invested total amount (Principle + Interest) in a scheme, which offered compound interest of 5% more interest rate as earlier rate. Then find total interest obtained by Satish after 2 years?                                (5)

1. (1) 9252 Rs.
2. (2) 9225 Rs.
3. (3) 9512 Rs.
4. (4) 925 Rs.
5. (5) 9152 Rs.

5. The sum of the ages of father and son is 50 years. Eight years ago, the product of their ages was two time the father’s age at that time, then the present ages (in years) of the father and son respectively are                        (4)

1. (1) 39,6
2. (2) 35,10
3. (3) 36,9
4. (4) 40,10
5. (5) None of these