Question

two person could fit new window in a house in three days. (1) one of the person fell ill before the work started.how long would the job take now (2) how many person would be needed to fit the window in one days?

Answer 1

first 1 person would take 6 days and 5 persons will be need to fit the window

Answer 2

Two people can fit one window in 3 days
∴In one day two people can fit 1/3 of the window
∴In one day one person can fit 1/6th window
⇒One person will therefore take 1÷1/6 days= 6 days
(1) 6 days


Two people can fit one window in 3 days
∴In one day 2×3 people that is 6 people
(2)6 people