If doubling a number and adding 20 to the result gives...

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If doubling a number and adding 20 to the result gives the same answer as multiplying the number by 8 and taking away 4 from the product, the number is :

A. 2

B. 3

C. 4

D. 6

Answer: Option C

Solution (By Examveda Team)

Let the number be x
Then,
⇔ 2x + 20 = 8x - 4
⇔ 6x = 24
⇔ x = 4

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