?
An interval of 3 hours 40 minutes is wrongly estimated as 3 hours 45.5 minutes. The error percentage is :
Answer & Solution
Correct Answer:
Option
A
Correct time :
= 3 hrs 40 min
= (3 × 60 + 40) min
= 220 min
Error = 5.5 min
Error % :
= $$\left( {\frac{{5.5}}{{220}} \times 100} \right)$$ %
= $$\frac{5}{2}$$ %
= 2.5%
= 3 hrs 40 min
= (3 × 60 + 40) min
= 220 min
Error = 5.5 min
Error % :
= $$\left( {\frac{{5.5}}{{220}} \times 100} \right)$$ %
= $$\frac{5}{2}$$ %
= 2.5%
Join the Discussion
Login to post a comment or share your explanation.
Login