Question

A student secure $85\%,70\%$ and $65\%$ marks in three test paper with maximum marks $150$, $200$ and $250$ respectively. Find his aggregate percentage.

Answer 1

Marks in paper $1=85\%\times 150=127.5$

Marks in paper $2=70\%\times 1200=140$

Marks in paper $3=65\%\times 250=162.5$

Total marks secured$=127.5+140+162.5=430$

Sum of maximum marks$=150+200+250=600$

Required percentage$=\frac{430}{600}\times 100=71.67\%$.