Storage Space

The storage space required is given by the function P(N) = 4000 √N, where N is the number of boxes used. Find the percentage change in storage if the number of boxes is increased by 1%.

(a) 0.75%

(b) 0.25%
(c) 0.5%
(d) 1%
(e) 2%

This question is related to TCS Interview

Questions by veena selvam   answers by veena selvam

Showing Answers 1 - 4 of 4 Answers

ankursinghlucknow

  • Jun 15th, 2010
 

I guess some ppl have mis-interpreted the question..
well anyways acc. 2 me
1- IF p(n)=4000/n
then ans=1%(as solved in above posts)

2- IF p(n)=4000 √n
then,% change=(4000 √n - 4000 √(101n/100))/4000 √n
this will give=(10- √101)/10*100
then instead of calculating,
apply Componendo&divendo thus=(1/(10+ √10))*100
gives answer= .5%

harshil102

  • Sep 14th, 2010
 

P(N) = 4000 √N.......taking n=16..P(N) = 4000 √16=16000..just assume. increasing n by 1%.....so n=16.16
deb p(n)=4000*√16.16=16080....dividing 1680=.099=1
so ans is 1

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