A. R Ltd has been investigating the time taken to produce one of its products, and found
that a 90 per cent learning curve appears to be applicable. If the time taken for the
first unit is 4.000 hours, the total time taken for units 5–8 only is:
(A) 10.368 hours
(B) 11.664 hours
(C) 12.960 hours
(D) 23.328 hours
(E) 36.000 hours.
B. A production operation operates on an 85 per cent learning curve. It takes 100 hours
to produce the first unit in a batch. To produce a 14-unit batch takes:
(A) 1,400 hours
(B) 962 hours
(C) 114 hours
(D) 754 hours
(E) 521 hours.
