Question
Download Solution PDFA is chasing B in the same interval of time. A jumps 8 times, while B jumps 6 times. But the distance covered by A in 7 jumps is the same as that of B in 5 jumps. The ratio between the speeds of A and B is ________.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFHint:
To put in ratio the values must be of the same unit / same type
Here, jumps will be either for the A or the B.
speed = Distance/ time
∴ speed ∝ distance
Calculations:
7 jumps of A→ 5 jumps of B
8 jumps of the A → ((5/7) × 8) jumps of the B
= 40/7 jumps of B
∴The required ratio is (40/7) : 6
= 20 : 21
∴ The ratio of the speed of A and B is 20 : 21.
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