APTITUDE QUIZ
Q1. On compound interest a Principal amounts to Rs.15625 in three years at 25%. What is the principal amount?
A) Rs. 8008
B) Rs. 8148
C) Rs. 8000
D) Rs. 9048
Q2.What should be the simple interest obtained on an amount of Rs.6780 at the rate of 5% p.a. after 4 years?
A) Rs. 1356
B) Rs. 1666
C) Rs. 1336
D) Rs. 1563
Q3.A money lender borrows money at 6 % per annum and pays the interest at the end of the year. He lends it at 8% per annum compounded half yearly and receives the interest at the end of the year. In this way, he gains Rs 691.2 a year. The amount of money he borrows is
A) Rs. 27000
B) Rs. 17500
C) Rs. 32000
D) Rs.3800
Q4.The principal which gives Re. 4 interest per day at a rate of 7.5 % simple interest per annum is :
A) Rs. 17700
B) Rs. 25200
C) Rs. 24450
D) Rs. 19467
Q5.The population Himalayan Quail in a particular locality is decreases by a certain rate of interest (compounded annually). If the current population of Himalayan Quail be 58320 and the ratio of decrease in population for second year and 3rd year be 10: 9. What was the population of Himalayan Quail 3 years ago?
A) 60000
B) 75000
C) 80000
D) 90000
Q6.Equal amounts of each Rs. 589542 are lent to two persons for 3 years. One @ 20% SI and second @ 20% CI annually. By how much per cent the CI is greater than the simple interest received in this 3 years duration?
A) 23%
B) 21.11%
C) 33.33%
D) 25%
Q7.The difference between simple and compound interest on a principal amount for two years at a rate of 25% is Rs 1700. What is the principal amount?
A) Rs 1700
B) Rs 1600
C) Rs 1800
D) Rs 2000
E) None of these
Q8.The difference between simple and compound interest on a principal amount for two years at a rate of 25% is Rs 1700. What is the principal amount?
A) Rs 1700
B) Rs 1600
C) Rs 1800
D) Rs 2000
E) None of these
Q9.A person invests Rs 10000 at a simple interest of 8% and another amount at 5% interest simple interest to earn an interest after one year at a rate of 6% of the total amount invested. What is the total amount invested?
A) Rs. 24000
B) Rs. 22000
C) Rs. 23000
D) Rs. 30000
E) None of these
Q10.A sum of Rs 400 went up to Rs 440 on a simple interest in 5 years. What is the total amount if the rate is raised by 2%?
A) Rs 412
B) Rs 425
C) Rs 480
D) Rs 625
E) Rs 600
Q11.ABC Construction Company hired three workers to build three walls. Ramesh can build a wall in 9 days while Suresh would take 12 days and Mahesh would take 18 days. After 12 Days, Ramesh goes on leave and Suresh begins to work for a period of 10 days. How many days will it take Mahesh to complete the work?
A) 8 days
B) 9 days
C) 12 days
D) 15 days
Q12.There are two taps P and Q that can fill a tank in 10 and 20 minutes respectively. Both of them are opened together and after 2 minutes P is closed. How long more it take for Q alone to fill the tank?
A) 15 minutes
B) 14 minutes
C) 7 minutes
D) 4 minutes
Q13.Running at the same constant rate 12 identical machines can produce a total of 780 bottles per minute. At this rate, how many bottles could 20 such machines produce in 8 minutes?
A) 9000
B) 17800
C) 10400
D) 11000
Q14.A group of men decided to do a job in 10 days. But since 20 men dropped out every day, the job completed at the end of the 14th day. How many men were there at the beginning?
A) 240
B) 345
C) 455
D) 560
E) Cannot be determined
Q15.A man rows 15 kmph in still water and it takes twice as long in upward stream as to downward stream. What is the rate of water current?
A) 10 kmph
B) 7 kmph
C) 5 kmph
D) 4 kmph
E) None of these
Q16.A boy started cycling at a point in a square field and reached the diagonally opposite point after 15 minutes riding at a speed of 4 kmph. What is the area of the square field?
A) 1 sq. km
B) 2 sq. km
C) 0.5 sq. km
D) Cannot be determined
E) None of these
Q17.If P and Q together can complete a work in 18 days, P and R together in 12 days, and Q and R together in 9 days, then Q alone can do the work in?
A) 18 days
B) 24 days
C) 30 days
D) 40 days
Q18.If P and Q together can complete a work in 18 days, P and R together in 12 days, and Q and R together in 9 days, then Q alone can do the work in?
A) 18 days
B) 24 days
C) 30 days
D) 40 days
Q19.A large vessel can be filled with two tubes P and Q in 45 minutes and 60 minutes, respectively. How many minutes will it take to fill the empty vessel, if Q alone is used for first half of the time and P & Q together fill it for the other half?
A) 45 minutes
B) 24 minutes
C) 26.5 minutes
D) 36 minutes
Q20.In a Factory’s pantry, there’s a stock of wheat flour for 20 days used for 600 labors. After 4 days, 600 more labors join the factory. How long will the stock last with the remaining available stock of wheat flour?
A) 20 days
B) 16 days
C) 4 days
D) 8 days
ANSWERS
1. C
2. A
3. C
4. D
5. C
6. B
7. B
8. B
9. D
10. C
11. D
12. B
13. C
14. C
15. C
16. C
17. B
18. B
19. D
20. D
