Answers

2016-01-03T11:07:03+05:30
Let the cost of notebook be x.
The cost of notebook and pen together is 162.
The cost of pen is 30+5x.
Accordingly,
   30+5x+x=162.
> 30+6x=162.
> 6x=132.
> x=22.
The cost of notebook is Rs. 22.
The cost of pen is Rs. (30+5*22)= Rs. 140. 

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2016-01-03T12:14:26+05:30
your ans. Is in the attachment
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