What will come in the place of question mark 4, 91, 77, 98, ?, 105, 63
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Missing number(?) = 70
Step-by-step explanation:
The given sequence are
4, 91, 77, 98, ?, 105, 63
⇒ 84, 91, 77, 98, ?, 105, 63
The pattern is + 7 × 1, - 7 × 2, + 7 × 3, .......
84 + 7 × 1 = 91, 91 - 7 × 2 = 77, 77 + 7 × 3 = 98
? = 98 - 7 × 4 = 70
Hence, missing number (?) = 70.
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