Question

What per cent of

(a) one hour is 45 minutes(b) two rupees is 50 paisa(c) three days is 36 hours

Answer 1

Since 1 hour = 60 minute
So 45 minute is =$\frac{45}{60}\times 100=75\%$

Since 2 rupees = 200 paisa
So 50 paisa is = $\frac{50}{200}\times 100=25\%$
$$\begin{gathered} \sin ce3day=72hour\left(24\times 3=72hour\right) \\ So36houris=\frac{36}{72}\times 100=50\% \end{gathered}$$