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Maths Puzzle
IF x, y are integers such that 9x + 5y is divisible by 17, then the expression 2x + 3y is divisible by
a. 15b. 19c. 17d. 23
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- IF x, y are integers such that 9x + 5y is divisible by 17, then the expression 2x + 3y is divisible by 17.
check with x=10, y= 16
2x+3y =68 which is divisible by 17. - 12 years agoHelpfull: Yes(3) No(1)
- by verification put x=4,y=3 then first and second equations are satisfied
- 11 years agoHelpfull: Yes(1) No(0)
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