CAT Quantitative Ability Questions | CAT TIme, Speed, Distance and Work questions

Comprehension

Directions for questions: Read the information given below and answer the questions that follow :

Rajiv travels to B from A in 4 hrs. travelling at 35 kmph for two hrs and at 45 kmph for the next two hrs. Aditi travels on the same route at speeds of 30, 40 and 50 kmph, covering equal distances at each of these speeds. The relation between fuel consuption and speed is given in the following graph.

CAT/1999

Question . 111

How many litres of fuel is consumed by Aditi

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Explanatory Answer

Method of solving this CAT Quantitative Ability Question from TIme, Speed, Distance and Work question

(b) Total distance travelled by Rajeev = 35 × 2 + 45 × 2 = 160.

Aditi travels equal distances with speeds 30, 40, 50. Thus, she covers a stretch of 160 / 3 km by every speed. From graph we can say that fuel consumed is given by