Accenture Company Numerical Ability Time Distance and Speed

A train runs first half of the distance at 40 km/hr and the remaining half at 60 km/hr. What is the average speed for the entire
journey?

Read Solution (Total 2)

avg speed =2xy/(x+y)
=2*40*60/100
48
8 years agoHelpfull: Yes(8) No(1)

2XY/(X+Y) Using this
48
8 years agoHelpfull: Yes(3) No(0)

Accenture Other Question

Nitish sold his watch and sunglasses at a loss of 4% and gain of 4% respectively for 2600 to Kamal. Kamal sold the same sun glasses and watch at a loss of 4% and gain of 4% respectively for 2700. The price of watch and sun glasses to Nitish were.
(Rs.1960, Rs.700) (Rs.2000, Rs.1000) (Rs.1500, Rs.700) (Rs.800, Rs.2000)
A father is three times as old as his son. After fifteen years the father will be twice as old as his son's age at that time. Hence
the father's present age is