MBA Exam

A MAN TRAVELS THREE FIFTH OF THE DISTANCE AB AT SPEED OF 3a AND REMAINING AT A SPEED OF 2b.IF HE GOES FROM B TO A AND BACK AT A SPEED OF 5c THENCAT 1996 PAPER......DONT HAVE OA

1) 1/a+1/b=1/c
2) a+b=c
3) 1/a+1/b=2/c
4) not

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MBA Other Question
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