Find two repeater machines that will do the same work as a `(xx81)` machine.

Find three repeater machines that will do the same work as a (xx64) machine. Draw them, or describe them using exponents.

Find a repeater machine that will do the same work as a(xx1/8) machine.

If possible find a hook up of prime base number machine that will do the same work as the give stretching machine. Do not use (xx1) machines.

Find three machines that can be replaced with hook ups of (xx5) machines.

Find the single machine that will do the same job as the given hook -up a. a(xx2^(3)) machine followed by (xx2^(-2)) machine. b. a(xx2^(4)) machine followed by (xx(1/2)^(2)) machine. c. a(xx5^(99)) machine followed by a (5^(-100)) machine.

Can this machine be adopted in farm work.

In a press, there are three types of printing machines, P, Q and R. Machine P can print 10,000 pages in 8 hours, machine Q can finish the same task in 10 hours and machine R can finish the same task in 15 hours. All the three machines start the work at 9 : 00 a. m. Machine P breaks down at 11 : 00 a.m. and machines Q and R finish the task. The approximate time of completion of the job is :

Two machines are capable of doing the same work. Should they have the same power?