Sum of the digits of a two digit number is 7. When we interchange the digits, it is found that the resulting two digit new number is greater than the original number by 27. Then the two digit number is
Let the two digit number be x,y
[ i.e., digit at units place be 'y' and digit at tens place be x]
the two digit number can be expresses as
Number obtained by reversing the digits is
Now according to question
New number - Original number = 27
................ (1)
Also it is given that
................. (2)
From (1) and (2)
From (1)
the original number
Sum of the digits of a two digit number is 9. When we interchange the digits, it is found that the resulting two digit new number is greater than the original number by 27. Then the two digit number is | |||
Right Option : B | |||
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Two numbers are such that the ratio between them is 3 : 5. If each is increased by 10, the ratio between the new numbers so formed is 5:7. Find the original numbers. | |||
Right Option : C | |||
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A two digit number is four times the sum of its digits and twice the product of the digits. Find the number. | |||
Right Option : B | |||
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