Question

What is the average of the total number of shirts manufactured by the companies M, O and Q?

• A. 639
• B. 539
• C. 693
• D. 369
• E. None of these

Answer 1

The correct option is A 639

Required average
$=\frac{1}{3}(960\times \frac{5}{8}+1840\times \frac{7}{16}+1600\times \frac{8}{25})$

$=\frac{1}{3}(600+805+512)=\frac{1}{3}\times 1917=639$