Question

코
Find gain or less pereen when :
(a)
C.P. = 1 50 and S.P. = T 30
(b)
S.P. = 1 1600 and C.P. = 1800
(c)
C.P. = 1 5000 and S.P. = 1 6500
(d) S.P. = 1 8000 and C.P. = 1 7040​

Answer 1

Answer:

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