Test Index

Series and Odd Man out Practice Test 4

Question : 5 of 40

Marks: +1, -0

5, 3, 15, 45, 670, 30375

Solution:

Concept:

In this series, each term is the product of the two previous terms.

Explanation:

Check the pattern step by step:

5 \times 3 = 15

3 \times 15 = 45

15 \times 45 = 675

, but the series has

670

Next,

45 \times 675 = 30375

, which matches the given last term.

So, the incorrect term is

670

; it should be

675

Answer:

670

is the odd term.

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