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What should come in place of question mark ‘?’ in the following number series?
10, 25, 70, 205,?
10, 25, 70, 205,?
- A520
- B410
- C625
- D610
Answer not set
Discussion 1
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CCommunity
The pattern for the given series:
⇒ 10 × 3 – 5 = 30 – 5 = 25
⇒ 25 × 3 – 5 = 75 – 5 = 70
⇒ 70 × 3 – 5 = 210 – 5 = 205
⇒ 205 × 3 – 5 = 615 – 5 = 610
⇒ 10 × 3 – 5 = 30 – 5 = 25
⇒ 25 × 3 – 5 = 75 – 5 = 70
⇒ 70 × 3 – 5 = 210 – 5 = 205
⇒ 205 × 3 – 5 = 615 – 5 = 610