Selected MCQ

Current Question
If a man walks at 5 km/h, how far will he walk in 3 hours?
  • A. 10 km
  • B. 15 km
  • C. 20 km
  • D. 25 km
Correct Answer: B
Explanation:
Distance = speed × time = 15 km.
Related Question 1
If a person walks 4 km/h for 2 hours, how much distance does he cover?
  • A. 6 km
  • B. 8 km
  • C. 10 km
  • D. 12 km
Correct Answer: B
Explanation:
Distance = 4×2 = 8 km.
Related Question 2
A man walks around a circular field once per hour. At what time will he complete a round if he starts at 7:42 a.m.?
  • A. 7:42 a.m.
  • B. 7:48 a.m.
  • C. 8:10 a.m.
  • D. 8:30 a.m.
Correct Answer: A
Explanation:
One full round takes exactly 1 hour, so the time remains the same format.
Related Question 3
Two boys walk at 5 km/h and 5.5 km/h. Time difference after same distance is ____.
  • A. 17 hr
  • B. 14 hr
  • C. 12 hr
  • D. 19 hr
Correct Answer: A
Explanation:
Relative speed difference.
Related Question 4
Pipes A, B, C fill tank in 12, 15, 20 houRs. If A alone works, time required is ____.
  • A. 6 hrs
  • B. 6⅔ hrs
  • C. 7 hrs
  • D. 7½ hrs
Correct Answer: C
Explanation:
Based on the given combination.
Related Question 5
Pipes A, B, C fill tank in 12, 15, 20 houRs. Find time together.
  • A. 6 hours
  • B. 6⅔ hours
  • C. 7 hours
  • D. 7½ hours
Correct Answer: C
Explanation:
Combined rate method.