General Maths Puzzle Numerical Ability

a man starts going for morning walk everyday. the distance walked by him on the first day was 2 km. Every day he walks half of the distance walked on the previous day. What can be the maximum total distance walked by him in his lifetime?
1) 4 km
2) 20 km
3) 8 km
4) Data inadequate

Read Solution (Total 2)

General Other Question

two identical train at the equator start travelling round the world in opposite directions.they start together run at the same speed and on different track .
which train will wear out its wheel treads first.
prove this
0/0 = 1/2