Question

Tuhin and Pranab do any work alone
Complete in 42 minutes and 70 minutes respectively
can do. By the end of the job,
Both alternating, starting from tuhin.
Worked every minute. Only the end
The person working in his last
Less than one minute work in shift
Is allowed to do. To complete the work
How long will these two take?
​

Answer 1

LCM OF 42 MINUTES AND 70 MINUTES