Find the next number in the series: 2, 5, 7, 12, 19, ?
Score: 0 / 10Pick an answer —
31 is the next number because Each term is sum of previous two; 12 + 19 = 31.
English • series
Last updated on 2026-02-07
Three 10-question bundles from our Reasoning Series quiz library.
Bundle 1
Bundle ID: 9002000004
Find the next number in the series: 2, 5, 7, 12, 19, ?
Score: 0 / 10Pick an answer —
31 is the next number because Each term is sum of previous two; 12 + 19 = 31.
Find the next number in the series: 89, 108, 129, 152, 177, ?
Score: 0 / 10Pick an answer —
204 is the next number because Square numbers with +8; next is (14)² + 8 = 204.
Find the next number in the series: 9, 11, 14, 18, 23, ?
Score: 0 / 10Pick an answer —
29 is the next number because Gaps grow by 1 starting at 2; last gap 5, next gap 6 so next is 23+6=29.
Find the next number in the series: 4, 7, 10, 13, 16, ?
Score: 0 / 10Pick an answer —
19 is the next number because Adds 3 each step; 16 + 3 = 19.
Find the next number in the series: 8, 16, 20, 40, 44, ?
Score: 0 / 10Pick an answer —
88 is the next number because Alternate double then +4; next step is double (44 × 2) = 88.
Find the next number in the series: 4, 6, 10, 16, 26, ?
Score: 0 / 10Pick an answer —
42 is the next number because Each term is sum of previous two; 16 + 26 = 42.
Find the next number in the series: 65, 82, 101, 122, 145, ?
Score: 0 / 10Pick an answer —
170 is the next number because Square numbers with +1; next is (13)² + 1 = 170.
Find the next number in the series: 6, 9, 13, 18, 24, ?
Score: 0 / 10Pick an answer —
31 is the next number because Gaps grow by 1 starting at 3; last gap 6, next gap 7 so next is 24+7=31.
Find the next number in the series: 10, 14, 18, 22, 26, ?
Score: 0 / 10Pick an answer —
30 is the next number because Adds 4 each step; 26 + 4 = 30.
Find the next number in the series: 3, 6, 10, 20, 24, ?
Score: 0 / 10Pick an answer —
48 is the next number because Alternate double then +4; next step is double (24 × 2) = 48.
Bundle 2
Bundle ID: 9002000005
Find the next number in the series: 2, 2, 4, 6, 10, ?
Score: 0 / 10Pick an answer —
16 is the next number because Each term is sum of previous two; 6 + 10 = 16.
Find the next number in the series: 56, 71, 88, 107, 128, ?
Score: 0 / 10Pick an answer —
151 is the next number because Square numbers with +7; next is (12)² + 7 = 151.
Find the next number in the series: 3, 7, 12, 18, 25, ?
Score: 0 / 10Pick an answer —
33 is the next number because Gaps grow by 1 starting at 4; last gap 7, next gap 8 so next is 25+8=33.
Find the next number in the series: 16, 21, 26, 31, 36, ?
Score: 0 / 10Pick an answer —
41 is the next number because Adds 5 each step; 36 + 5 = 41.
Find the next number in the series: 9, 18, 22, 44, 48, ?
Score: 0 / 10Pick an answer —
96 is the next number because Alternate double then +4; next step is double (48 × 2) = 96.
Find the next number in the series: 4, 3, 7, 10, 17, ?
Score: 0 / 10Pick an answer —
27 is the next number because Each term is sum of previous two; 10 + 17 = 27.
Find the next number in the series: 36, 49, 64, 81, 100, ?
Score: 0 / 10Pick an answer —
121 is the next number because Square numbers with +0; next is (11)² + 0 = 121.
Find the next number in the series: 9, 14, 20, 27, 35, ?
Score: 0 / 10Pick an answer —
44 is the next number because Gaps grow by 1 starting at 5; last gap 8, next gap 9 so next is 35+9=44.
Find the next number in the series: 5, 11, 17, 23, 29, ?
Score: 0 / 10Pick an answer —
35 is the next number because Adds 6 each step; 29 + 6 = 35.
Find the next number in the series: 4, 8, 12, 24, 28, ?
Score: 0 / 10Pick an answer —
56 is the next number because Alternate double then +4; next step is double (28 × 2) = 56.
Bundle 3
Bundle ID: 9002000006
Find the next number in the series: 2, 4, 6, 10, 16, ?
Score: 0 / 10Pick an answer —
26 is the next number because Each term is sum of previous two; 10 + 16 = 26.
Find the next number in the series: 31, 42, 55, 70, 87, ?
Score: 0 / 10Pick an answer —
106 is the next number because Square numbers with +6; next is (10)² + 6 = 106.
Find the next number in the series: 6, 12, 19, 27, 36, ?
Score: 0 / 10Pick an answer —
46 is the next number because Gaps grow by 1 starting at 6; last gap 9, next gap 10 so next is 36+10=46.
Find the next number in the series: 11, 13, 15, 17, 19, ?
Score: 0 / 10Pick an answer —
21 is the next number because Adds 2 each step; 19 + 2 = 21.
Find the next number in the series: 10, 20, 24, 48, 52, ?
Score: 0 / 10Pick an answer —
104 is the next number because Alternate double then +4; next step is double (52 × 2) = 104.
Find the next number in the series: 28, 37, 48, 61, 76, ?
Score: 0 / 10Pick an answer —
93 is the next number because Square numbers with +12; next is (9)² + 12 = 93.
Find the next number in the series: 3, 5, 8, 12, 17, ?
Score: 0 / 10Pick an answer —
23 is the next number because Gaps grow by 1 starting at 2; last gap 5, next gap 6 so next is 17+6=23.
Find the next number in the series: 17, 20, 23, 26, 29, ?
Score: 0 / 10Pick an answer —
32 is the next number because Adds 3 each step; 29 + 3 = 32.
Find the next number in the series: 14, 21, 30, 41, 54, ?
Score: 0 / 10Pick an answer —
69 is the next number because Square numbers with +5; next is (8)² + 5 = 69.
Find the next number in the series: 9, 12, 16, 21, 27, ?
Score: 0 / 10Pick an answer —
34 is the next number because Gaps grow by 1 starting at 3; last gap 6, next gap 7 so next is 27+7=34.
How should I use these quizzes?
Skim the questions once, then answer without overthinking. After each bundle, reflect on why the correct answer fits best.
Can I replay a bundle?
Yes. Use the Play Quiz button to redo any bundle and watch for new explanations you may have missed.
Do the flash cards match the quizzes?
Yes. Each flash card set mirrors the same questions so you can drill answers quickly.
What if I only have five minutes?
Pick one bundle and run through it. Ten focused questions give a solid micro-practice session.
Will harder sets arrive?
We regularly publish fresh bundles across easy, medium, and hard levels. Check back often.
Keep going
Jump back into quizzes or flip through flash cards. Consistent, short sessions build the strongest recall.