Discuss Forum
1.
In covering a certain distance , the speeds of A and B are in the ratio of 3 : 4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is :
- A. 1.0 hour
- B. 1.0 hour
- C. 1.0 hour
- D. 1.0 hour
Answer: Option C
Explanation:
Ratio of speed = 3:4 Ratio of time = 4:3 let A takes 4x hrs,B takes 3x hrs then 4x - 3x = 30/60 hr x = ½ hr Time taken by A to reach the destination is 4x = 4 * ½ = 2 hr
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