60/37 hours ( 1.621). In one hour a lion eats 1/4 of a sheep, a leopard eats 1/5 and a bear 1/6. So in one hour combined they eat 1/4 + 1/5 + 1/6 sheep. Therefore one sheep will take 1 / (1/4 + 1/5 + 1/6) hours = 60/37

 

 

                                   Some math is always good.....At  least by making it hard, I can save my N70, right!!!

 

                      I have taken this question from a film!!!

 

Question:

        petrol tanker drives along at a steady 30kph. At the moment it began to move, someone put a hole in the petrol tank and ignited the petrol. The flames are following it at a speed of 25kph. After 26k it stops. How long before the flames reach it?  

1.1min24sec

2.10min50sec

3.5min40sec

4.20min0sec

5.I f the answer is not given above, find it yourself!!!

       

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