Relative speed And Trains

SPEED DISTANCE AND  TIME

TIME AND WORK 1. If A and B working together, can finish a piece of work in x days, B and C in y days, C and A in z days, then        (a) A, B and C working together will complete the job in            =

Concept: The last digit of any power Last digit of any power follow a cycle pattern and repeat after a certain power at a time.