Think of a number. Multiply by 2, add 6, divide by 2, subtract original number. What is the result?

Type: MCQ • Marks: 1

A. 1

B. 6

C. 3

D. 2

Explanation

Let number be x. [(2x + 6)/2] - x = (x + 3) - x = 3. Result is always 3!

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Class 7th Ganita Prakash 1

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