Learn and practice Aptitude questions and answers with explanation for interview, competitive exam (Pariksha Corner )

Monday, December 17, 2018

A and B take part in a 100 m race. A runs at 5 km/h. If A

A and B take part in a 100 m race. A runs at 5 km/h. If A starts after B runs 8 m,and wins the race by 8 seconds, the speed of B is
A4.15 km/ h
B4.14 km/ h
C4.25 km/ h
D4.41 km/ h

Answer is : 4.14 km/ h

Explanation:

A's Speed = (5×518)m/s

=25 m/s

Time taken by A to cover 100 m = 100×1825sec

=72 sec

Time taken by B to cover 92 m = 72+8

=80 sec

 B's Speed =(9280×185)kmph

=4.14 kmph

Nithin K
answered Nov 26 '2016 at 19:24

All Comments

Post your answers here:

Post

Related Posts:

Categories