Find next term: 100, 99, 97, 94, 90, ?
Differences are: -1, -2, -3, -4, -5. So next is 90 - 5 = 85
Complete the series: 2, 4, 8, 16, 32, ?
Each term is multiplied by 2 (powers of 2). 32 × 2 = 64
Find the missing term: 3, 6, 12, 24, 48, ?
Each term is multiplied by 2. 48 × 2 = 96
Complete: 1, 4, 16, 64, 256, ?
Each term is multiplied by 4 (powers of 4). 256 × 4 = 1024
Find next: 2, 5, 10, 17, 26, ?
Differences: +3, +5, +7, +9, +11. Next difference is +11, so 26 + 11 = 37
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Complete the series: 1, 3, 6, 10, 15, 21, ?
Triangular numbers: 1, 1+2=3, 1+2+3=6, 1+2+3+4=10, etc. Next is 1+2+3+4+5+6+7 = 28
Find missing term: 11, 22, 44, 88, 176, ?
Each term is multiplied by 2. 176 × 2 = 352
Complete: 5, 6, 8, 11, 15, 20, ?
Differences: +1, +2, +3, +4, +5, +6. So 20 + 6 = 26
Find next term: 4, 9, 16, 25, 36, 49, ?
Perfect squares: 2², 3², 4², 5², 6², 7², 8² = 64
Complete the series: 1, 2, 4, 8, 16, 32, 64, ?
Powers of 2: 2⁰, 2¹, 2², 2³, 2⁴, 2⁵, 2⁶, 2⁷ = 128
Find the missing term: 10, 11, 13, 16, 20, 25, 31, ?
Differences: +1, +2, +3, +4, +5, +6, +7. Next is 31 + 7 = 38
Complete: 2, 6, 18, 54, 162, ?
Each term is multiplied by 3. 162 × 3 = 486
Find next: 1, 2, 3, 5, 8, 13, 21, 34, ?
Fibonacci sequence: 34 + 21 = 55
Complete the series: 3, 9, 27, 81, 243, ?
Powers of 3: 3¹, 3², 3³, 3⁴, 3⁵, 3⁶ = 729
Find missing term: 4, 6, 9, 13, 18, 24, ?
Differences: +2, +3, +4, +5, +6, +7. So 24 + 7 = 31
Complete: 7, 11, 16, 22, 29, 37, ?
Differences: +4, +5, +6, +7, +8, +9. So 37 + 9 = 46
Complete the series: 2, 3, 5, 8, 13, 21, 34, ?
This is a Fibonacci-like series where each term is the sum of the previous two terms. 21 + 34 = 55
Find the missing term: 1, 4, 9, 16, 25, 36, 49, ?, 81
Series of perfect squares: 1², 2², 3², 4², 5², 6², 7², 8², 9². Missing term is 8² = 64
Find next term: 3, 6, 12, 24, 48, ?
Each term is multiplied by 2. 48 × 2 = 96
Complete: 1, 1, 2, 3, 5, 8, 13, 21, ?, 55
Fibonacci sequence: 13 + 21 = 34. Each term is sum of previous two