Question
7 15 44 89 ?
533 What should come in place of the question mark (?) in the following number series?Solution
7 × 2 + 1 = 15 15 × 3 - 1 = 44 44 × 2 + 1 = 89 89 × 3 – 1 = 266 266 × 2 + 1 = 533
More Series Questions
7, 78, 324, 900,1855, 3128
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15, 23, 35, 51, 71, 85 140Â Â Â 150Â Â Â 175Â Â Â Â 185Â Â Â Â 210Â Â Â Â Â 225Â Â Â Â Â
...164, 141, 122, 105, 92, 80
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