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Number series coding and Decoding and odd man out

Question : 38 of 51

Marks: +1, -0

22, 24, 28, ?, 52,84

Solution:

Concept:

The differences between consecutive terms double each time.

Explanation:

Step 1: Compute differences:

24 - 22 = 2

28 - 24 = 4

Step 2: The differences appear to be multiplied by 2:

2, 4, 8, 16, 32

Step 3: Next difference after 4 is

8

, so missing term =

28 + 8 = 36

Step 4: Verify:

36 + 16 = 52

52 + 32 = 84

, matches.

Answer:

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