Below is given a question followed by four statements I, II, & III. The question may (or may not) be answered using any or more of the given statements. You have to decide which of these statement(s) is/are sufficient to answer the given question. Pick out the appropriate option.
Find the value of x
I. Kiran and Rajpal can do a piece of work in x days
II. Mahesh is twice efficient then Kiran
III. Kiran can do work in x + 80 days and Rajpal can do in x + 20 days1
Only I is sufficient.
2
I and III are sufficient
3
I, II and III are sufficient
4
Only III is sufficient
5
None of these