Mathematics MCQ Question and Answer
Mathematics MCQ Question and Answer
21. Karnataka Express leaves Bangalore at 5 p.m. and reaches Dharmavaram at 9 p.m. Kurla Express leaves Dharmavaram at 7 p.m. and reaches Bangalore at 10.30 p.m. What time do the trains cross one another?
- 8.26 p.m.
- 8 p.m.
- 7.36 p.m.
- 7.56 p.m.
22. If the height of the cone is doubled then its volume is increased by—
- 100%
- 200%
- 300%
- 400%
24. Two years ago a man was 6 times as older as his son. In 18 years, he will be twice as
Older as his son. Their present ages are—
Older as his son. Their present ages are—
- 32 years, 7 years
- 34 years, 9 years
- 36 years, 11 years
- none of these
25. A dishonest dealer sells his goods at the cost price and still earns a profit of 25% by under weighing. What weight does he use for a kg?
- 750 gms
- 800 gms
- 825 gms
- 850 gms
26. A Railway Refreshment Room of a station has provisions for 20 weeks for catering to 750 passenger’s daily average.. If at the end of 4 weeks daily average of passengers is increased by 450, how long will remaining provision last?
- 10 weeks
- 15 weeks
- 11 weeks
- 16 weeks
27. If a train runs at 40 kmph, it reaches its destination late by 11 minutes but if it runs at 50 kmph, it is late by 5 minutes only. The correct time for the train to complete its journey is—
- 13 min.
- 15 mm.
- 19 mm.
- 21 mm,
28. A merchant marks his goads at Rs. 300 and allows a discount of 25%. If he still gains 12.5% then the cost of article is—
- Rs. 220
- Rs. 240
- Rs. 200
- Rs. 260
29. If four examiners can examine a certain number of answer books in 8 days by working 5 hrs a day, for how many hours a day would 2 examiners have to work in order to examine twice the number of answer books in 28 days?
- 6. hours
- 7 ½ hours
- 8 hours
- 9 hours
30. Two men starting from the same place walk at the rate of 4 kmph and 4.5 kmph respectively What time will they take to be 8.5. km apart, if they walk in the same direction—
- 12 hrs
- 14 hrs; 15 mi
- 17 hrs.
- 12 hrs. 55 mm.