Elitmus Exam Numerical Ability Time and Work

A and B can finish a work 30 days if they work together. They worked together for 20 days and then B left. A finished the remaining work in another 20 days. In how many days A alone can finish the work?

Options
1) 60
2) 50
3) 40
4) 30

Read Solution (Total 8)

Elitmus Other Question

hOW many values of C in equation X^2-5X+C results in Rational roots which are integers??

options:
a.) 1
b.) 3
c.) 6
d.) Infinite
plz tell a particular proper site for preparation of Elitmus exam..