All India Engineering / Architecture Entrance Examination (AIEEE)
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AIEEE 2010 Mathematics
Q. 22. A person is to count 4500 currency notes. Let 
denote the number of notes he counts in the 
minute. If 
and 
are in an AP with common difference –2, then the time taken by
him to
count all notes is.
- 34 minutes
- 125 minutes
- 135 minutes
- 24 minutes
Sol :
Answer: (1)
Q. 23 . Let 
be a positive increasing function with 
- 3
- 1
Sol : Clearly 
Answer: (4)
Q. 24. Let 
be a function defined on R such that 
equals
Sol:
Answer: (1)
