Math Numerical Aptitude MCQ
Math Numerical Aptitude MCQ
21. There are 27 students in a Chemistry class and 2 students in a Physics class. Seven of these students take Physics and Chemistry both. What is the ratio of the number of students , taking only Physics to those taking Chemistry?
- 7:6
- 6:7
- 4:3
- 3:4
22. A bag contains 50 paisa, 25 paisa and 10 paisa coins in the ratio 5:9:4 amounting to Rs. 206. Find the number of coins of each type.
- 180, 400, 200
- 200, 360, 160.
- 150, 440, 280
- 220, 300, 10
23. The cost price of 12 articles equal to selling price of 9.. articles. Find the gain percent.
- 20 %
- 25 %
- 33 %
- 40 %
24. A cylindrical vessel of radius 4 c.m. is lowered into water until it is completely immersed. The water level in the vessel will rise by—
- 4.5 c.m
- 2.25 c.m.
- 2/9 c.m
- 4/9c.m
25. If 20 men can build a wall 112 meters long in 6 days,
what length of a similar wall can be built by 25 men in 3
days?
- 140 meters
- 44.8 meters
- 70 meters
- 105 meters
26. A train 280 meters long is moving at a speed of 60
km/hr. The time taken by the train to cross a platform 220
meters long is
- 30 seconds
- 25 seconds
- 35 seconds
- 20 seconds
27. The prices of scooter and television set are in the
ratio of 3:2. If scooter costs Rs. 6000 more than
television set, the price of television set is—
- Rs. 18,000
- Rs. 12,000
- Rs. 10,000
- Rs. 6000