Question Detail 6, 11, 21, 36, 56, ... ? 818395105 Answer: Option AExplanation:Pattern is +5, +10, +15, + 20. So next will be 56+25 = 81 Similar Questions : 1. 1,9,17,33,49,73, ? 93959799 Answer: Option CExplanation:Pattern for the given series is, +8, +8, +16, +16, +24 So next will be +24, 73+24 = 97 2. 2,5,9,?,20,27, what will replace the question mark ? 13141516 Answer: Option BExplanation:Pattern is +3,+4,..,..,+7, so +5 and +6 will be in the blanks Question mark will be replaced by 9+5 = 14 3. Which fraction will come next, \begin{aligned} \frac{1}{2}, \frac{3}{4}, \frac{5}{8}, \frac{7}{16}, ? \end{aligned} \begin{aligned} \frac{11}{32} \end{aligned}\begin{aligned} \frac{9}{28} \end{aligned}\begin{aligned} \frac{9}{30} \end{aligned}\begin{aligned} \frac{9}{32} \end{aligned} Answer: Option DExplanation:Numerators of the fractions in the given sequence are getting increased by 2, i.e. 1+2,3+2,5+2, so next will be 7+2 = 9 Denominators of the fractions in the series is getting doubled, 2*2 = 4, 4*2 = 8, 8*2 = 16, no next will be 16*2 = 32 So resulting fraction will be \begin{aligned} \frac{9}{32} \end{aligned} 4. 3, 12, 27, 48, 75, 108, 141143145147 Answer: Option DExplanation:Series is having pattern \begin{aligned} 3*1^2, 3*2^2, 3*3^2, ......\\ \text{Next will be } 3*7^2 = 147 \end{aligned} 5. 4, 10, (?), 82, 244, 730 26284048 Answer: Option BExplanation:Each number in the series is the preceding number multiplied by 3 and then decreased by 2. Read more from - Series Completion Questions Answers