1.

What should come in place of the question mark '?' in the following number series?2, 1, 1, 1.5, 3, ?1. 62. 7.53. 94. 4.55. None of these

Answer» Correct Answer - Option 2 : 7.5

Calculation:

The series follows following pattern

⇒ 2 × 0.5 = 1

⇒ 1 × 1 = 1

⇒ 1 × 1.5 = 1.5

⇒ 1.5 × 2 = 3

⇒ 3 × 2.5 = 7.5

∴ The value of ? is 7.5



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