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Mathematical Reasoning MCQ - Number Series

6 3, 12, 48, ..., 768, 3,072

The numbers are multiplied by 4 to get the next number (48 × 4 = 192).

7 720, 120, 24, 6, ..., 1

720 divided by 6 = 120
120 divided by 5 = 24
24 divided by 4 = 6
6 divided by 3 = 2
2 divided by 2 = 1

8 32, 48, 72, ..., 162, 243

Each number is being multiplied by 3/2 to get the next number.

9 1, 4, 9, 16, 25, 36, ..., 64

The series is squares of 1, 2, 3, 4 and so on.

10 0, 4, 16, 36, 64, ..., 144

The series is squares of even numbers, such as 2, 4, 6, 8, 10 and 12. Hence, the answer is 10² = 100.

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Question:

720, 120, 24, 6, ..., 1

A. 1
B. 2
C. 3
D. 4

Correct answer: B

Explanation:

720 divided by 6 = 120 120 divided by 5 = 24 24 divided by 4 = 6 6 divided by 3 = 2 2 divided by 2…

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