Allied & ICAR Exam Bank • ALLIED_2173 NAT • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

Three runners run around a circular track of length 1200 m with speeds 3 m/s, 5 m/s, and 6 m/s starting simultaneously from the same point. After how many seconds will they meet again at the starting point?

Answer Key:

1200

Step-by-Step Solution & Explanation

Time per lap: Runner 1 = $1200/3 = 400$ s; Runner 2 = $1200/5 = 240$ s; Runner 3 = $1200/6 = 200$ s. LCM(400, 240, 200) = 1200 seconds.
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