Changepond Aptitude-Numerical

                                 ChangePond - Model Placement Paper

Aptitude Questions :-

1. Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is:
A. 50 m 
B. 72 m
C. 80 m 
D. 82 m

2. A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?
A. 40 sec 
B. 42 sec
C. 45 sec 
D. 48 sec

3. A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?
A. 8 hours 
B. 10 hours
C. 12 hours 
D. 24 hours

4. A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:
A. 15 days 
B. 20 days
C. 25 days 
D. 30 days

5. The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is:
A. 15 
B. 16
C. 18 
D. 25

6. In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?
A. 30% 
B. 70%
C. 100% 
D. 250%

7. A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?
A. 1/3
B. 1/4
C. 1/5
D. 1/7

8. A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?
A. 7 
B. 8
C. 9 
D. 10

9. Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand's present age in years?
A. 24 
B. 27
C. 40 
D. Cannot be determined

10. The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:
A. 17 kg 
B. 20 kg
C. 26 kg 
D. 31 kg

11.A starts business with Rs. 3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2 : 3. What is B's contribution in the capital?
A. Rs. 7500 
B. Rs. 8000
C. Rs. 8500 
D. Rs. 9000

12. A, B, C rent a pasture. A puts 10 oxen for 7 months, B puts 12 oxen for 5 months and C puts 15 oxen for 3 months for grazing. If the rent of the pasture is Rs. 175, how much must C pay as his share of rent?
A. Rs. 45 
B. Rs. 50
C. Rs. 55 
D. Rs. 60

13. Which one of the following is not a prime number?
A. 31 
B. 61
C. 71 
D. 91

14. The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:
A. 276 
B. 299
C. 322 
D. 345

15. The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:
A. 9000 
B. 9400
C. 9600 
D. 9800