Question

in two digit number product of digit is twice the sum of digit then number is?

Answer 1

Answer:

36

Step-by-step explanation:

3×6 = 2 ( 3 + 6)

18 = 2 × 9

18 = 18

Answer 2

In two digit number product of digit is twice the sum of digit then number is 3 and 6.

To find:

Product of the digits of the two digit number = 2 × sum of the two digits of the two digit number

Formula:

xy = 2 [ x + y ]

Solution:

xy = 2 [ x + y ]

Assume two digit number = 36

Then, 3 × 6 = 2 [ 3 + 6 ]

       18 = 2 × 9

       18 = 18

Since LHS = RHS.

Hence proved, the sum of two digit number is 3 and 6.

   

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