Question

For a two digit no., ones place in 3 more than tens place. the product of this digits sum is square of double the digit sum. what is the number

Answer 1

Answer:

Digit in unit’s place is b (given).

Digits in ten’s place is 3 more than digit in unit’s place.

So digit in ten’s place is (b+3)

Two digit number = 10* digit in ten’s place + digit in unit’s place.

= 10 *(b+3) + b

= 11*b +3

Answer : The number is 11b +3.

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