1.

Directions : Mark () against the correct answer:1. A does a work in 10 days and B does the same work in 15 days. In howthey together will do the same work ?(a) 5 days(b) 6 days(c) 8 days (d)

Answer»

A=10 LCM. 30B=15effencA = 3B= 2totel work 30/5A+B=6 days



Discussion

No Comment Found