If the speed of car A is decreased by 2 km h and speed of car B is increased by 10 find the differen...........

Quantitative Aptitude(IBPS CL) Time & distance

Direction: Study the following information carefully and answer the questions that follow.
Car A: Car travels a certain distance in 6 hours and distance travelled by car A is 16.66% less than that travelled by car B .
Car B: Car travels a certain distance in 7 hour and 12 minutes with the speed of 50 km/h.
Car C: Car travels 400 km distance with twice the speed of car B

If the speed of car A is decreased by 2 km/h and speed of car B is increased by 10%, find the difference between the distances travelled by both the cars in 4 hours.

32 km

40 km

28 km

35 km

None of these

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Explanation:

New speed of car A = (50 – 2) = 48 km/h
New speed of car B = 50 × 110% = 55 km/h
Required difference = (55 – 48) × 4 = 28 km
Hence, option C is correct.