Question

Anirudh secures 85%, 70%, 65% and 60% marks in test papers with 100, 120, 140 and 160, respectively as maximum marks. The percentage of his aggregate is

Answer 1

Answer:

$total \: maximum \: marks = 100 + 120 + 140 + 160 = 520 \\ total \: obtained \: marks \: = 100 \times \frac{85}{100} + 120 \times \frac{70}{100} + 140 \times \frac{65}{100} + 160 \times \frac{60}{100} \\ = > 85 + 84 + 91 + 96 = > 356 \\ the \: percentage \: of \: agregate \: marks = \frac{356}{520} \times 100 = 68.47\%$

may be it's helpful to you ✴️✴️