If the sum of triple of a number (x) and four times the other is 38, then number of positive integ

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23 Feb 2010 Possible solutions ?

If the sum of triple of a number (x) and four times the other is 38, then number of positive integral
solutions for x and y are ?

OPtion

1) 0
2) 4
3) 5
4) 6
5) 7
6) 8
7) 9
8) 3
9) 2
10) 1

Solution

According to given condition 3x + 4y = 38
Hence y = (38 – 3x)/4
Solutions of this equation are (2,8), (6,5), (10,2)

Correct Option: 8 Best Solution (3)