Question

pls solve this question

Answer 1

$time \: spend \: by \: arnav \: in \: studies = 1 \frac{3}{4} hr = \frac{7}{4}hr \\ time \: spend \: by \: arnav \: in \: playing \: cricket =2 \frac{1}{2} hr = \frac{5}{2}hr \\ total \: time \: spent \: by \: arnav \: is = (\frac{7}{4} + \frac{5}{2} )hr \\ \: \frac{7 + 10}{4} = \frac{17}{4} hr = 4\frac{1}{4} hrs$

this is your answer