Practice Sequence and Series

1 / 20

The next number of the sequence

\[5, 10, 15, 20, 25..........\] is

\[30\]

\[35\]

\[40\]

\[45\]

The series is based on the following pattern

\[5\times1=5\]
\[5\times2=10\]
\[5\times3=15\]
\[5\times4=20\]
\[5\times5=25\]
\[5\times6=30\]

2 / 20

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The next number of the sequence

\[1, 4, 9, 16, 25..........\] is

\[30\]

\[36\]

\[49\]

\[64\]

The series is based on the following pattern

\[1^2=1\]
\[2^2=4\]
\[3^2=9\]
\[4^2=16\]
\[5^2=25\]
\[6^2=36\]

3 / 20

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The next number of the sequence

\[5, 9, 13, 17, 21..........\] is

\[23\]

\[25\]

\[27\]

\[29\]

The series is based on the following pattern

\[5+4=9\]
\[9+4=13\]
\[13+4=17\]
\[17+4=21\]
\[21+4=25\]

4 / 20

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The next number of the sequence

\[1, 8, 27, 64, 125..........\] is

\[150\]

\[175\]

\[200\]

\[216\]

The series is based on the following pattern

\[1^3=1\]
\[2^3=8\]
\[3^3=27\]
\[4^3=64\]
\[5^3=125\]

5 / 20

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The next number of the sequence

\[10, 21, 32, 43, 54 ..........\] is

\[61\]

\[65\]

\[71\]

\[75\]

The series is based on the following pattern

\[10\times1+0=10\]
\[10\times2+1=21\]
\[10\times3+2=32\]
\[10\times4+3=43\]
\[10\times5+4=54\]
\[10\times6+5=65\]

6 / 20

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The next number of the sequence

\[121, 100, 81, 64, 49 ..........\] is

\[25\]

\[36\]

\[16\]

\[9\]

The series is based on the following pattern

\[11^2=121\]
\[10^2=100\]
\[9^2=81\]
\[8^2=64\]
\[7^2=49\]
\[6^2=36\]

7 / 20

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The next number of the sequence

\[2, 4, 8, 16, 32, 64 ..........\] is

\[82\]

\[100\]

\[108\]

\[128\]

The series is based on the following pattern

\[1\times2=2\]
\[2\times2=4\]
\[4\times2=8\]
\[8\times2=16\]
\[16\times2=32\]
\[32\times2=64\]
\[64\times2=128\]

8 / 20

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The next number of the sequence

\[1, 22, 333, 4444, 55555, 666666 ..........\] is

\[777777\]

\[7777777\]

\[888888\]

\[8888888\]

The series is based on the following pattern

\[1\]
\[22\]
\[333\]
\[4444\]
\[55555\]
\[666666\]
\[7777777\]

9 / 20

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The next number of the sequence

\[3, 6, 8, 11, 13, 16 ..........\] is

\[17\]

\[18\]

\[19\]

\[20\]

The series is based on the following pattern

\[1+2=3\]
\[3+3=6\]
\[6+2=8\]
\[8+3=11\]
\[11+2=13\]
\[13+3=16\]

10 / 20

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The next number of the sequence

\[1, 9, 25, 49, 81 ..........\] is

\[100\]

\[121\]

\[144\]

\[169\]

The series is based on the following pattern

\[1^2=1\]
\[3^2=9\]
\[5^2=25\]
\[7^2=49\]
\[9^2=81\]
\[11^2=121\]

11 / 20

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The next number of the sequence

\[\frac{1}{2},\frac{2}{3},\frac{3}{4},\frac{4}{5},\frac{5}{6} ..........\] is

\[\frac{6}{7}\]

\[\frac{7}{8}\]

\[\frac{8}{9}\]

\[\frac{9}{10}\]

The series is based on the following pattern

\[\frac{1}{2}\]
\[\frac{2}{3}\]
\[\frac{3}{4}\]
\[\frac{4}{5}\]
\[\frac{5}{6}\]
\[\frac{6}{7}\]

12 / 20

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The next number of the sequence

\[\frac{1}{1},\frac{1}{4},\frac{1}{9},\frac{1}{16},\frac{1}{25} ..........\] is

\[\frac{1}{30}\]

\[\frac{1}{36}\]

\[\frac{1}{40}\]

\[\frac{1}{49}\]

The series is based on the following pattern

\[\frac{1}{1^2}=\frac{1}{1}\]
\[\frac{1}{2^2}=\frac{1}{4}\]
\[\frac{1}{3^2}=\frac{1}{9}\]
\[\frac{1}{4^2}=\frac{1}{16}\]
\[\frac{1}{5^2}=\frac{1}{25}\]
\[\frac{1}{6^2}=\frac{1}{36}\]

13 / 20

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The next number of the sequence

\[\frac{1}{1},\frac{1}{8},\frac{1}{27},\frac{1}{64},\frac{1}{125} ..........\] is

\[\frac{1}{150}\]

\[\frac{1}{175}\]

\[\frac{1}{200}\]

\[\frac{1}{216}\]

The series is based on the following pattern

\[\frac{1}{1^3}=\frac{1}{1}\]
\[\frac{1}{2^3}=\frac{1}{8}\]
\[\frac{1}{3^3}=\frac{1}{27}\]
\[\frac{1}{4^3}=\frac{1}{64}\]
\[\frac{1}{5^3}=\frac{1}{125}\]
\[\frac{1}{6^3}=\frac{1}{216}\]

14 / 20

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The next number of the sequence

\[100, 99, 97, 94, 90 ..........\] is

\[87\]

\[86\]

\[85\]

\[84\]

The series is based on the following pattern

\[100-0=100\]
\[100-1=99\]
\[99-2=97\]
\[97-3=94\]
\[94-4=90\]
\[90-5=85\]

15 / 20

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The next number of the sequence

\[+1,-4,+9,-16,+25 ..........\] is

\[-36\]

\[+36\]

\[-49\]

\[+49\]

The series is based on the following pattern

\[+(1^2)=+1\]
\[-1(2^2)=-4\]
\[+(3^2)=+9\]
\[-(4^2)=-16\]
\[+(5^2)=+25\]
\[-(6^2)=-36\]

16 / 20

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Find the missing number of the sequence :

\[7, 12, 17, 23 , 28, ?\]

\[30\]

\[31\]

\[32\]

\[33\]

The series is based on the following pattern

\[2+5=7\]
\[7+5=12\]
\[12+5=17\]
\[17+5=23\]
\[23+5=28\]
\[28+5=33\]

17 / 20

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Find the missing number of the sequence :

\[(1\times2),(1\times3),(1\times4),(1\times5),(1\times6), ?\]

\[(1\times7)\]

\[(1\times8)\]

\[(1\times9)\]

\[(1\times10)\]

The series is based on the following pattern

\[(1\times2)\]
\[(1\times3)\]
\[(1\times4)\]
\[(1\times5)\]
\[(1\times6)\]
\[(1\times7)\]

18 / 20

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Find the missing number of the sequence :

\[\frac{1}{100},\frac{1}{81},\frac{1}{64},\frac{1}{49},\frac{1}{36}, ?\]

\[\frac{1}{25}\]

\[\frac{1}{26}\]

\[\frac{1}{9}\]

\[\frac{1}{8}\]

The series is based on the following pattern

\[\frac{1}{10^2}=\frac{1}{100}\]
\[\frac{1}{9^2}=\frac{1}{81}\]
\[\frac{1}{8^2}=\frac{1}{64}\]
\[\frac{1}{7^2}=\frac{1}{49}\]
\[\frac{1}{6^2}=\frac{1}{36}\]
\[\frac{1}{5^2}=\frac{1}{25}\]

19 / 20

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Find the missing number of the sequence :

\[\frac{1}{1},\frac{1}{4},\frac{1}{27},\frac{1}{16},\frac{1}{125}, ?\]

\[\frac{1}{25}\]

\[\frac{1}{36}\]

\[\frac{1}{49}\]

\[\frac{1}{729}\]

The series is based on the following pattern

\[\frac{1}{1^3}=\frac{1}{1}\]
\[\frac{1}{2^2}=\frac{1}{4}\]
\[\frac{1}{3^3}=\frac{1}{27}\]
\[\frac{1}{4^2}=\frac{1}{16}\]
\[\frac{1}{5^3}=\frac{1}{125}\]
\[\frac{1}{6^2}=\frac{1}{36}\]

20 / 20

Find the missing number of the sequence :

\[81, 27, 9, 3, 1, \frac{1}{3},\frac{1}{9},\frac{1}{27}, ?\]

\[\frac{1}{33}\]

\[\frac{1}{49}\]

\[\frac{1}{54}\]

\[\frac{1}{81}\]

The series is based on the following pattern

\[\frac{243}{3}=81\]
\[\frac{81}{3}=27\]
\[\frac{27}{3}=9\]
\[\frac{9}{3}=3\]
\[\frac{3}{3}=1\]
\[\frac{1}{3}=\frac{1}{3}\]
\[\frac{1}{3\times3}=\frac{1}{9}\]
\[\frac{1}{9\times3}=\frac{1}{27}\]
\[\frac{1}{27\times3}=\frac{1}{81}\]