Question

Francois can add finishing touch of jelly balls, chocolate buttons and rainbow on $75$ cakes in $1$ hr and $2$ mins.
How long will it take for him to do the same on one cake?

• A. $49\frac{3}{5}\text{secs}$
• B. $49\frac{1}{5}\text{secs}$
• C. $48\frac{1}{5}\text{secs}$
• D. $48\frac{3}{5}\text{secs}$

Answer 1

The correct option is A $49\frac{3}{5}\text{secs}$

Time taken by Francois to add finishing touch of jelly balls, chocolate buttons and rainbow on $75$ cakes = $1$ hr and $2$ mins = $62$ mins = $62\times 60$ = $3720$ secs

$\therefore$ Time taken by Francois to add finishing touch of jelly balls, chocolate buttons and rainbow on $1$ cakes
$=\frac{3720}{75}=49\frac{3}{5}\text{secs}$

Option(a) is the correct option.