Question

In a 4x400 m relay competition, a team of athletes each completed their round in 45 sec, 43 sec, 44 sec and 45 see respectively. If the race started at 1:35:31 p.m., find the time when the team completed the race.

Answer 1

ℎr   min   s
  1     35   31
  0      0    45
  0      0    43
  0      0    44
+0      0    45
  1     38    28
= 1:  38:   28pm