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Multiple choice

In the following number series find the missing term- 12 18 45 157.5 ?

  1. 715

  2. 728.75

  3. 740.25

  4. 708.75

  5. 775

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The pattern is: multiply the previous term by 1.5, then increase the multiplier by 0.5 each step. 18 = 12 × 1.5, 45 = 18 × 2.5, 157.5 = 45 × 3.5, and 708.75 = 157.5 × 4.5.

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