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The digit in the unit’s place of a number is equal to the digit in the ten’s place of half of that number and the digit in the ten’s place of that number is less than the digit in unit’s place of the half of the number by 1. If the sum of the digits of the number is 7, then what is the number?

 

(a)

34

(b)

52

(c)

162

(d)

Data inadequate



Question ID - 54144 | SaraNextGen Top Answer

The digit in the unit’s place of a number is equal to the digit in the ten’s place of half of that number and the digit in the ten’s place of that number is less than the digit in unit’s place of the half of the number by 1. If the sum of the digits of the number is 7, then what is the number?

 

(a)

34

(b)

52

(c)

162

(d)

Data inadequate

1 Answer
127 votes
Answer Key / Explanation : (b) -

Let the ten’s digit be  and the unit’s digit be

Then,

And

Solving  we get

Hence, required number = 52.

127 votes


127