A two digit number is seven times the sum of its digits and is also equal to 12 use of than 3 times the product of its digits . Find the numbers ?
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A two digit number is seven times the sum of its digits and is also equal to 12 use of than 3 times the product of its digits . Find the numbers ?
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CORRECT QUESTION :-
A two digit number is seven times the sum of its digits and is also
equal to 12 less than 3 times the product of its digits. Find the numbers ?
SOLUTION :-
Let,
Digit in ten's place = x
Digit on one's place = y
Two digit number = 10x + y
According to the first condition,
According to the second condition,
Substitute x = 2y in equation (2),
y = 4
2y = 8 = x
Two digit number = 84