Selected MCQ

Current Question
Yalmaz covers 400 m in 2 min and Rayan covers 1 km in 300 sec. What is ratio of speeds ____.
  • A. 2: 5
  • B. 4 : 3
  • C. 1: 2
  • D. 1: 1
Correct Answer: D
Explanation:
Both speeds are equal.
Related Question 1
Ratio of speed of boat to stream is 36:5. Time downstream is 5h 10min. Find upstream time.
  • A. 5h 50m
  • B. 6h
  • C. 6h 50m
  • D. 12h 10m
Correct Answer: C
Explanation:
Use the ratio method for speeds.
Related Question 2
The speed of the boat in still water is 60 km/h, and the current is 20 km/h. Find downstream and upstream speeds.
  • A. 35, 25
  • B. 80, 40
  • C. 40, 60
  • D. 50, 55
Correct Answer: B
Explanation:
Downstream = 80, upstream = 40.
Related Question 3
If the ratio of two numbers is 5:7 and their sum is 144, the numbers are ____.
  • A. 50 and 94
  • B. 60 and 84
  • C. 70 and 74
  • D. 65 and 79
Correct Answer: B
Explanation:
Total parts = 12 → each = 12 → numbers = 60 and 84.
Related Question 4
If ratio of two numbers is 3:5 and difference is 20, numbers are ____.
  • A. 30 and 50
  • B. 40 and 60
  • C. 20 and 40
  • D. 25 and 45
Correct Answer: A
Explanation:
Difference = 2 parts → 1 part = 10.
Related Question 5
If ratio of two numbers is 7:9 and their sum is 160, numbers are ____.
  • A. 60 and 100
  • B. 70 and 90
  • C. 65 and 95
  • D. 75 and 85
Correct Answer: B
Explanation:
Total parts = 16 → each = 10 → numbers 70, 90.