Multiple choice

Passage

Directions: The given question is followed by two statements labelled I and II. You have to determine whether the data given in the statements is sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose the best possible answer.

Two trains P and Q, some kilometres apart, are moving towards each other. Find the speed of train P. I. Train Q runs 16 km/h faster than train P. Train P stops at a station and does not move further from where it is, and train Q keeps moving. After that, train Q will take 28 hours to meet train P. II. The distance between both the trains was 1820 km when train P stopped at a station.

  1. The question can be answered by using statement I alone but cannot be answered using the other statement alone.

  2. The question can be answered using statement II alone but cannot be answered using the other statement alone.

  3. The question can be answered using either of the statements alone.

  4. The question can be answered using both the statements together but cannot be answered using either of the statements alone.

  5. The question cannot be answered even using both the statements together.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statement I gives the speed difference and time to meet, but not the distance at the moment P stops. Statement II gives the distance. Together, we can solve for the speeds. Neither alone is sufficient.

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