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Question

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


Options:
A .  2
B .  3
C .  4
D .  6
Answer: Option C

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




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