On a given day, a bank had 16000 cheques returned by
customers. Inspection of the first 800 cheques indicated
that 100 of those 800 had errors and were therefore the
available immediately for data processing. On this basis,
hwo many cheques would be available immediately for data
processing on that day?
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Answer Posted / harikrishnan
for old price
Hd tape = (3/4)*1440 = 1080
Hd tape + Reg tape = 1440
(3/4)*1440 + Reg tape = 1440
SO, Reg tape = 360
HD tape = 1080
no. of reg tape = 360/24 = 15
no. of HD tape = 1080/30 = 36
For new price, Hd tape savings = (30-28) = 2
Reg tape savings = 24-23 = 1
Total savings = (36*2)+(15*1) = 87
Note : here the twist in question is Rs.1440 is the expense of both reg and HD tapes. and not reg tapes alone..so be careful..
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