Effective speed = (p−q) km/h. Time = Distance / Speed = 1/(p−q) hours. So r=1/(p−q), which means 1/r=(p−q).
A boy is running at a speed of p km/h to cover a distance of 1 km but due to slippery ground his speed is reduced by q km/h (p > q). If he takes r…
CUET UG 2023 — General Test Arithmetic
2023mcqmedium
A boy is running at a speed of p km/h to cover a distance of 1 km but due to slippery ground his speed is reduced by q km/h (p>q). If he takes r hours to cover the distance, which of the following condition is true:
Official previous-year question
Held on 15 Jun 2023 · Verified 13 Jul 2026.
Options
- A
r1=(p−q)
- B
r=(p−q)
- C
r=p+q1
- D
r=p+q
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