In a simple gear train, if the number of idler gears is odd, then the direction of motion of driven gear will
(a) be same as that of the driving gear
(b) be opposite to that of the driving gear
(c) depend upon the number of teeth on the driving gear
(d) depend upon the total number of teeth on all gears of the train
The question was posed to me during an interview for a job.
My doubt stems from Length Of Arc of Contact in division Toothed Gearing & Gear Trains of Machine Kinematics