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A number is double and 9 is added If the resultant...

This question belongs to Arithmetic Ability Problems On Numbers
Problems on Numbers
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A number is double and 9 is added. If the resultant is trebled, it becomes 75. What is that number ?

Answer & Solution
Correct Answer: Option C
Let the number be x
Then,
⇔ 3(2x + 9) = 75
⇔ 2x + 9 = 25
⇔ 2x = 16
⇔ x = 8
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