Annie can solve 5 math exercises in 1 hour. How many exercises will she solve in 3 hours?

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 15
Annie solves 5 exercises in 1 hour.
Let's consider Annie solves z exercises in 3 hours.
For 3 hours,
$\frac{5}{1}$ = $\frac{z}{3}$
z = 3 x 5
=15
Therefore, Annie can solve 15 exercises in 3 hours.

Suggest Corrections

Similar questions

Solve the following.

In 10 hours 8 pumps can empty 74,400 gallons of water. How many gallons of water can be emptied in 6 hours by 12 pumps?

\frac{3}{6}

\frac{3}{4}

45

Question 9 :

Rafiq exercised for $\frac{3}{6}$ of an hour, while Rohit exercised for $\frac{3}{4}$ of an hour. Who exercised for a longer time?

Join BYJU'S Learning Program