Question 22

Cost of 4 pens, 6 note books and 9 files is Rs 305. Cost of 3 pens, 4 notebooks and 2 files is Rs 145. What is the cost (in Rs) of 5 pens, 8 notebooks and 16 files?

Solution

let the cost of pen be 'p',note book be 'n' and of file be 'f'
given 4p+6n+9f=305
8p+12n+18f=610
3p+4n+2f=145
Subtracting we get
5p+8n+16f=465

Share on Whatsapp Share on Whatsapp

Create a FREE account and get:

Free SSC Study Material - 18000 Questions
230+ SSC previous papers with solutions PDF
100+ SSC Online Tests for Free

Follow us on

Boost your Prep!

Download App