A walks around a circular field at the rate of one round per hour while B runs around it at the rate of six rounds per hour. They start in the same direction from the same point at 7.30 a.m. They shall first cross each other at

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Q: 49 (IAS/2003)
‘A’ walks around a circular field at the rate of one round per hour while ‘B’ runs around it at the rate of six rounds per hour. They start in the same direction from the same point at 7.30 a.m. They shall first cross each other at
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question_subject: 

Maths

question_exam: 

IAS

stats: 

0,3,6,2,1,3,3

keywords: 

{'circular field': [0, 0, 1, 0], 'hour': [5, 5, 11, 12], 'rounds': [1, 0, 1, 0], 'round': [0, 0, 1, 1], 'rate': [2, 3, 13, 20], 'same direction': [0, 0, 2, 2]}