Cost of 6 books and 8 notebooks is 460 rupee and that of 4 books and 5 note books is 300 rupee. Prod

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04 Dec 2012 multiplication

Cost of 6 books and 8 notebooks is 460 rupee and that of 4 books and 5 note books is 300 rupee. Product of costs of 1 book and 1 note book will be

OPtion

1) 900
2) 960
3) 1000
4) 1020
5) 1140
6) 1200
7) 1440
8) 1560
9) 1800
10) none of these

Solution

according to the given condition 6b+8n=460 and 4b+5n=300
on solving we get n=20 and b=50 so b*n = 1000

Correct Option: 3 Best Solution (0)