Nishit K Sinha Solutions for Chapter: Series, Exercise 1: Practice Exercises

What will come in place of question mark (?) in the following number series?

$1, 2, 4, 8, 16,?$

What will come in place of question mark (?) in the following number series?

$0, 7, 26, 63, 124,?$

What will come in place of question mark (?) in the following number series?

$1, 5, 11, 19, 29, 41, 55,?$ 

What will come in place of question mark (?) in the following number series?

$123, 129, 141,$$?, 159, 165$

What will come in place of question mark (?) in the following number series?

$27, 64, 125, 216, 343,?$

In the following question, a number series is given. After the series, a number is given followed by (A), (B), (C), (D) and (E). You have to complete the series starting with the number given, following the sequence of the original series and answer the questions that follow the series.

$$\begin{gathered} 12, 30, 120, 460, 1368, 2730 \\ 16, \mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}, \mathrm{E} \end{gathered}$$

What will come in place of $\left(\mathrm{D}\right)$?

In the following question, a number series is given. After the series, a number is given followed by (A), (B), (C), (D) and (E). You have to complete the series starting with the number given, following the sequence of the original series and answer the questions that follow the series.

$$\begin{gathered} 154, 462, 231, 693, 346.5, 1039.5 \\ 276, \mathrm{A}, \mathrm{B},\hspace{0.17em} \mathrm{C}, \mathrm{D}, \mathrm{E} \end{gathered}$$

What will come in place of $\left(\mathrm{E}\right)$?

Find what should come in place of question mark (?) in the following number series?

$23, 25, 53, 163, 657, ?$