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What should come in place of question mark (?) in the following number series?
10 5 5 7.5 15 37.5 ?
10 5 5 7.5 15 37.5 ?
- A110.25
- B112.50
- C109.75
- D105.50
Answer not set
Discussion 1
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CCommunity
→ 10
→ 5 = 10 × 0.5
→ 5 = 5 × 1
→ 7.5 = 5 × 1.5
→ 15 = 7.5 × 2
→ 37.5 = 15 × 2.5
→ 112.5 = 37.5 × 3
Hence, 112.5 is the correct answer.
→ 5 = 10 × 0.5
→ 5 = 5 × 1
→ 7.5 = 5 × 1.5
→ 15 = 7.5 × 2
→ 37.5 = 15 × 2.5
→ 112.5 = 37.5 × 3
Hence, 112.5 is the correct answer.