Discussion of Question with ID = 084 under Boats-and-Streams

This is the discussion forum for this question. If you find any mistakes in the solution, or if you have a better solution, then this is the right place to discuss. A healthy discussion helps all of us, so you are requested to be polite and soft, even if you disagree with the views of others. The question and its current solution has also been given on this page.

Advertisement

Question

The speed of an aircraft in still air is 14 km/h and rate of wind is 4 km/h. If it travels along the direction of the wind for 3 hours, what is the distance travelled by the aircraft during the journey?

A

54 km.

B

55 km.

C

53 km.

D

57 km.

Soln.
Ans: a

The effective speed of the aircraft in the air is 14 + 4 = 18 km/h. The distance is speed × time = 18 × 3 = 54 km.

Comments and Discussion