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Maths Puzzle
A two digit number is obtained by multiplying the sum of the digits by 8 and adding 1 or by multiplying the difference of the digits by 13 and adding 2
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- Ans=41
If number=10x+y
Given 8(x+y)+1= 10x+y or 2x-7y=1 ---(i) &
13(x-y)+2=10x+y or 3x-14y=-2 ---(ii)
Solving (i) & (ii), x=4,y=1
So number=10x+y=41 - 11 years agoHelpfull: Yes(2) No(0)
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