question_answer

A typist can finish typing 3 pages in 5 minutes. How many minutes does it take him to type 10 pages?

A) \[16.7\]minutes

B)  \[17.6\]minutes

C)  \[180\]minutes

D)  \[160\]minutes

Correct Answer: A

Solution :

The number of pages typed is directly the proportional to the number of hours. \[\therefore \]                  \[\Rightarrow \]               \[x=\frac{10\times 5}{3}=\frac{50}{3}=16.66\]                 \[=16.7\]minutes