find the missing number in the number series
18 21 28 43 74 __
Answers
Answered by
1
Answer:
77,80,83
Step-by-step explanation:
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Answered by
3
Answer:
137
Step-by-step explanation:
+3 +7 +15 + 31 +63
1×2+1, 3×2+1, 7×2+1, 15×2+1, 31×2+1
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