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Find the next number in the series? [400, 800, 2400,? |
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Answer» 400 400×2 = 800 800×3 = 2400 2400×4 = 9600 Find the next number in the series? [400, 800, 2400, 4800, 10000...] [400(1), 2*400(1), 3*400(1+1), 4*400(1+2), 5*400(2+3)...] what this method |
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