Subject: General Aptitude · Chapter: Time and Distance · Exam: · Marks: · Difficulty:
Two cars pass each other in opposite directions. How long would they take to be 500 km apart? I. The sum of their speeds is 135 km/hr. II. The difference of their speeds is 25 km/hr.
Answer
SELF-PRACTICE — the source book printed no answer.
Nothing is invented here, so this question has no answer on record.
Explanation
I. gives, relative speed = 135 km/hr. 500 \ Time taken = hrs. 135 II. does not give the relative speed. \ I alone gives the answer and II is irrelevant. \ Correct answer is (a). 120
Explanation as extracted from the printed page; notation may be imperfect.