Question

A’s Speed In a 100 meter race is 6km per hour & he has started 4 meter later than B & yet he has defeated B by 12 meters then what is the speed of B?

Answer 1

is this subject English or maths

Answer 2

1.4 m/sec

Sol: A's speed =6*5/18=5/3

Time taken by A=60 sec(100 x 3/5)

Distance travel by B = 100 -4-12(loose the race)=84m

B's speed = 84/60 =14/10 or 1.4 m/sec