MBA Exam

In a 100m straight tunnel AB made on a river , boat X enters from end A and boat Y enters from the opposite end B at the same time. There is a safety point O inside the tunnel at which boat Y should reach before boat X to avoid confusion. The speed of boat X, Boat Y and the stream is 60m/s, 30m/s, and 10m/s respectively . Find the minimum possible OA distance.Approach..?

1) 55.56
2) 52.48
3) 77.78
4) 63.79

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MBA Other Question

PQR is a right angled triangle. S, T and V represent the points of contact, of the incircle of the triangle PQR on side PQ, QR and RP respectively, with the sides of the triangle. PS : SQ and RT : TQ are integers (PS : SQ) + (RT : TQ) =

1) 3
2) 4
3) 5
4) 6
Let X be any point on side BC of a triangle ABC. If XM and XN are drawn parallel to BA and CA reapectively, MN meets BC produced in T, TX is _______________ of TB and TC.Please xplain the method u used to predict the answer...

1) AM
2) GM
3) HM
4) none of these