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## #1 2016-10-10 05:35:59

### 1, 2, 3, 6, 9, 18, , 54?

# Mathematics Quizzes Number Series Completion

**Directions:**

In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.

**Question:**

1, 2, 3, 6, 9, 18, , 54

**Option A):**

27**Option B):**

18**Option C):**

81**Option D):**

36

**Correct Answer is Option A):**

27

**Explanation:**

The numbers are alternately multiplied by 2 and 3 / 2.

Thus, 1 * 2 = 2,

2 * 3 / 2 = 3,

3 * 2 = 6,

6 * 3 / 2 = 9 and so on.

.'. Missing number = 18 * 3 / 2 = 27.

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## 2016-10-10 05:35:59

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### Re: 1, 2, 3, 6, 9, 18, , 54?

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