If two typist can type two pages in two minutes, how many typists will take to type 18 pages in six minutes.

A 3

B 6

C 9

D 18

Solution

Correct Answer: Option B

 2 pages can be typed in 2 minutes by 2 typists 

 1    "       "  1     "     2 x 2 /2 " 

 18  "       "   6     "    2 x 2 x 18 / 2 x 6 " 

                              = 6 typists 

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