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Question

When one-third of a number is increased by 55, the result is 83. Find the sum of the digits of the original number.

The correct answer is
12

Solving for the Original Number

Let the original number be represented by the variable $x$.

The problem states that one-third of the number, when increased by 55, results in 83. We can write this as an algebraic equation:

$ \frac{1}{3}x + 55 = 83 $

Calculating the Number

To find the value of $x$, we first isolate the term containing $x$:

  • Subtract 55 from both sides of the equation: $ \frac{1}{3}x = 83 - 55 $ $ \frac{1}{3}x = 28 $
  • Multiply both sides by 3 to solve for $x$: $ x = 28 \times 3 $ $ x = 84 $

The original number is 84.

Finding the Sum of Digits

The question asks for the sum of the digits of the original number (84).

  • Sum of digits = 8 + 4
  • Sum of digits = 12

The sum of the digits of the original number is 12.

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Important Questions from Number System

  1. Consider the following statements :

    1. (25)! + 1 is divisible by 26

    2. (6)! + 1 is divisible by 7

    Which of the above statements is/are correct ?

  2. If the sum S is divided by 8, what is the remainder ?  

  3. If the sum S is divided by 60, what is the remainder ?

  4. Find the sum of squares of the greatest value and the smallest value of K in the number so that the number 45082K is divisible by 3.

  5. How many composite numbers are there from 53 to 97 ?

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