6, 13,28,59,?
First term → 6
Second term → (6*2+1) = 13
Third term → (13*2+2) = 28
Fourth term → (28*2+3) = 59
Fifth term → (59*2+4) = 122
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4, 12, 36, 108, ? |
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Which term of the series 5, 8, 11, 14,…..is 320? |
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8, 9, 8, 7, 10, 9, 6, 11, 10, ?, 12 |
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3, 7, 15, ?, 63, 127 |
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121, 143, 165, 186, 209 |
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6, 15, 35, 77, 165, 221 |
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8, 13, 21, 32, 47, 63, 83 |
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1, 2, 4, 8, 16, 32, 64, 96 |
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3, 4, 10, 32, 136, 685, 4116 |
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105, 85, 60, 30, 0, – 45, – 90 |
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