Question

Abhimanyu and supreet can together finish a work in 50 days. they worked together for 35 days and then supreet left. after another 21 days, abhimanyu finished the remaining work. in how many days abhimanyu alone can finish the work?
a. 70 days
b. 75 days
c. 80 days
d. 60 days

Answer 1

Abhimanyu and supreet can together complete a work in 50 days. They cooperated for 35 days and after that supreet left.

After an additional 21 days, abhimanyu completed the rest of the work. In 60 days abhimanyu alone can complete the work.

A blend of 40 liters of salt and water contains 70%of salts.

Answer 2

35(1/50) + 21(x) = 1

X=70 days