Q49
A number is double and 9 is added. If the resultant is trebled, it becomes 75. What is that number ?
A.
3.5
B.
6
C.
8
AnswerD.
None of these
Answer: Option C
Solution
Answer: Option C
Solution:
Let the number be xThen,
⇔ 3(2x + 9) = 75
⇔ 2x + 9 = 25
⇔ 2x = 16
⇔ x = 8