Quick revision: Speed, Time & DistanceRules, shortcuts, how it is asked, worked examples and traps›
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5 Aug 2023 · Shift 1
Bankersadda/Adda247
Q-STD-5Q.63
The ratio of speed of P to speed of Q is 5:8, P covers D km distance in 3 hours and Q covers (D+40) km in 2.5 hours.
If P increases his speed by 25%, then find the time taken by P to cover (D+180) km distance. (in hours)
(a) 6
(b) 5
(c) 8
(d) 7.5
(e) 4.5
5 Aug 2023 · Shift 2
Adda247
Q-STD-6Q.69
A and B runs on a 450 m long circular track at a speed of 12 m/s and 18 m/s respectively. They start at same time but run in opposite direction. Find the number of times, they would have met when B covers 3240 meters.