NMDC Paper

NMDC conducts recruitment for various posts. Model papers of NMDC written test will help candidates to know the pattern of examination. Here we are providing NMDC Aptitude Questions Solved Paper.

                                             NMDC Aptitude Question Paper

1. The sum of ages of 5 children born at the intervals of 3 years each is 50 years. Find out the age of the youngest child?
A. 6 years
B. 5 years
C. 4 years
D. 3 years

2. A man's age is 125% of what it was 10 years ago, but 83 1/3 % of what it will be after ten 10 years. What is his present age?
A. 70
B. 60
C. 50
D. 40

3. The average monthly income of A and B is Rs. 5050. The average monthly income of B and C is Rs. 6250 and the average monthly income of A and C is Rs. 5200. What is the monthly income of A?
A. 2000
B. 3000
C. 4000
D. 5000

4. The present worth of a sum due sometimes hence is Rs.5760 and the baker's gain is Rs.10. What is the true discount?
A. Rs. 480
B. Rs. 420
C. Rs. 120
D. Rs. 240

5. A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:
A. 1 km/hr.
B. 2 km/hr.
C. 1.5 km/hr.
D. 2.5 km/hr.

6. An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?
A. 154°
B. 180°
C. 170°
D. 160°

7. Three numbers are in the ratio of 2 : 3 : 4 and their L.C.M. is 240. Their H.C.F. is:
A. 40
B. 30
C. 20
D. 10

8. 8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of the water is 16 : 65. How much wine did the cask originally hold?
A. 30 litres
B. 26 litres
C. 24 litres
D. 32 litres

9. X starts a business with Rs.45000. Y joins in the business after 3 months with Rs.30000. What will be the ratio in which they should share the profit at the end of the year?
A. 1:2
B. 2:1
C. 1:3
D. 3:1

10. Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. What are the marks obtained by them?
A. 42, 33
B. 42, 36
C. 44, 33
D. 44, 36

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

12. A student's mark was wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half 1/2. What is the number of students in the class?
A. 45
B. 40
C. 35
D. 30

13. At a game of billiards, A can give B 15 points in 60 and A can give C to 20 points in 60. How many points can B give C in a game of 90?
A. 22 points
B. 20 points
C. 12 points
D. 10 points

14. How much time will it take for an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
A. 2 years
B. 3 years
C. 1 year
D. 4 years

15. A man takes 5 hours 45 min in walking to a certain place and riding back. He would have gained 2 hours by riding both ways. The time he would take to walk both ways is
A. 11 hrs
B. 8 hrs 45 min
C. 7 hrs 45 min
D. 9 hts 20 min

16. P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third day?
A. 10 days
B. 14 days
C. 15 days
D. 9 days

17. In Kiran's opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Kiran and he thinks that Kiran's weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Kiran?
A. 70 kg
B. 69 kg
C. 61 kg
D. 67 kg

18. Two numbers are in the ratio 2 : 3. If their L.C.M. is 48. what is sum of the numbers?
A. 28
B. 40
C. 64
D. 42

19. Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30º and 45º respectively. If the lighthouse is 100 m high, the distance between the two ships is:
A. 300 m
B. 173 m
C. 273 m
D. 200 m

20. Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively . If they cross each other in 23 seconds, what is the ratio of their speeds?
A. Insufficient data
B. 3 : 1
C. 1 : 3
D. 3 : 2