If two typist can type two pages in two minutes, how many typists will it take to type 18 pages in six minutes?
সঠিক উত্তর: Option B
1 pages are typed in 1 minute by 2×2/2 typist
18 pages are typed in 6 minute by= (4×18)/(2×6)
= 72/12
= 6 typist