Question

The marks obtained by Rani in her twelfth standard exams are tabulated below. Express these marks as percetages.

Subjects	Maximum marks	Marks obtained	Percentage of marks (out of $100$)
(i) English	$200$	$180$
(ii) Tamil	$200$	$188$
(iii) Mathematics	$200$	$195$
(iv) Physics	$150$	$132$
(v) Chemistry	$150$	$142$
(vi) Biology	$150$	$140$

Answer 1

Subjects Max marks Marks obtained % of marks (out of $100$)

English $200$ $180$ $\frac{180\times 100}{200}=90$

Tamil $200$ $188$ $\frac{188\times 100}{200}=94$

Math $200$ $195$ $\frac{195\times 100}{200}=97.5$

Physics $150$ $132$ $\frac{132\times 100}{150}=88$

Chemistry $150$ $142$ $\frac{142\times 100}{150}=94.67$

Biology $150$ $140$ $\frac{140\times 100}{150}=93.33$