top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration Why to Join

    Get Free Puzzle Updates

Facebook Login
Site Registration

Total cost of 45 books and 65 copies is 1290 and that of 65 books and 45 copies is 1500. What will be cost of 1 book?

0 votes
76 views
posted May 27, 2015 by anonymous

Share this puzzle
Facebook Share Button Twitter Share Button Google+ Share Button LinkedIn Share Button Multiple Social Share Button

1 Solution

0 votes

b= cost of 1 book , c=cost of 1 copy

9b + 13c = 258 ;;; 13b + 9c = 300 ;;

solving we get b=Rs. 17.93

solution May 27, 2015 by Ankit Kamboj



Similar Puzzles
0 votes

A bottle and a cork together cost $1 and Penny 1. If the cost of bottle is more than that of the cork by $1, what is the cost of the bottle and that of the cork?

0 votes

If average weight of A, B and C is 45 kg. If the average weight of A and B is 40 kg and that of B and C be 43 kg, then what is the weight of B?

+1 vote

The cost of apple and grapes are between Rs 20 and 30 per kg. If total cost of 5 Kg apple and 7 Kg grapes is a number X having unit's and hundred's place equal and sum of cost of 1 Kg apple and 1 Kg grapes is Rs 50.
Then what is the value of X?

Contact Us
+91 9880187415
sales@queryhome.net
support@queryhome.net
#280, 3rd floor, 5th Main
6th Sector, HSR Layout
Bangalore-560102
Karnataka INDIA.
QUERY HOME
...