What should come in place of question mark (?) in the following number series?
963 927 855 747 603 423 ?
Correct Answer: Option C
The difference between successive numbers is a multiple of 36
→ 963 – 927 = 36
→ 927 – 855 = 36 × 2
→ 855 – 747 = 36 × 3
→ 747 – 603 = 36 × 4
→ 603 – 423 = 36 × 5
So next number will be,
423 - ? = 36 × 6
⇒ ? = 207
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