A boy is running at a speed of p km/hr to cover a distance of 1 km. But, due to the slippery ground, his speed is reduced by q km/hr (p>q). If he takes r hours to cover the distance, then
Held on 14 May 2025 · Verified 13 Jul 2026.
r1=p−q
r=p−q
r1=p+q
r=p+q
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