A two-digit number has 6 in its unit digit. The sum of its digits is one fourth of the number itself. What is the number?

Created: 7 years ago | Updated: 2 years ago

Updated: 2 years ago

None of these

Trust Bank Ltd Trust Bank Ltd - Asst. Executive Officer - 24.12.2010 গণিত পাটিগণিত প্রাথমিক ধারণা (Basic Concept)

Des

980

Best Ans:

Let the tenth place number be X.

Then the number is 10X + 6 and sum of the digits is X + 6.

So, X + 6 = (10X + 6)/4

or, 4X + 4×6 = 10X + 6

or, 10X - 4X = 24 - 6 = 18

or, 6X = 18

or, X = 18/6 = 3

So, the number is 36.

7 years ago

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