General Intelligence Topics
School level (Class 6–12) — General Intelligence
Choose question count and time — session stays in your browser only.
filter_alt Topics
Classification
Series
Mirror Images
Embedded Figures
Logical Venn
quiz Questions
Q71
Find the next number in the series: 5, 10, 15, 20, ?
30
26
25
20
Explanation
Arithmetic progression with common difference 5; next term = 25.
Q72
Find the next number in the series: 2, 9, 16, 23, ?
37
23
30
31
Explanation
Arithmetic progression with common difference 7; next term = 30.
Q73
Find the next number in the series: 5, 8, 11, 14, ?
20
17
14
18
Explanation
Arithmetic progression with common difference 3; next term = 17.
Q74
Find the next number in the series: 4, 8, 12, 16, ?
16
20
24
21
Explanation
Arithmetic progression with common difference 4; next term = 20.
Q75
Find the next number in the series: 2, 5, 8, 11, ?
15
17
11
14
Explanation
Arithmetic progression with common difference 3; next term = 14.
Q76
Series — Find the next number in the series: 2, 5, 8, 11, ?
17
15
11
14
Explanation
Arithmetic progression with common difference 3; next term = 14.
Q77
Series — Find the next number in the series: 6, 11, 16, 21, ?
26
21
31
27
Explanation
Arithmetic progression with common difference 5; next term = 26.
Q78
Series (Set 28) — Find the next number in the series: 3, 7, 11, 15, ?
23
15
19
20
Explanation
Arithmetic progression with common difference 4; next term = 19.
Q79
Find the next number in the series: 4, 9, 14, 19, ?
29
25
19
24
Explanation
Arithmetic progression with common difference 5; next term = 24.
Q80
Series (Set 30) — Find the next number in the series: 3, 7, 11, 15, ?
19
23
20
15
Explanation
Arithmetic progression with common difference 4; next term = 19.