Question

+2012
Q.1
S and T together can finish a work in 50
days. They worked together for 20 days
and then left. How much of the work is
left?​

Answer 1

Step-by-step explanation:

• They both can finish the work in 50 days i.e.they both can do 1/50 work per day. ( given )

• They worked for 20 days. ( given )

$Total \: work \: done \: by \: them \\ = 20 \times \frac{1}{50} = \frac{20}{50} \\ \\ Hence, \: \frac{30}{50} work \: is \: left.$

Answer 2

Answer:

Work for 30 days is left. 50 -20 =30