Q82: Find the missing number in the series:
10, 7, 4, 1, ?
Answer: B
Each term decreases by 3. Next: 1 - 3 = -2.
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Q129: Find the missing number in the series:
2, 4, 6, 8, ?
Answer: A
Simple arithmetic progression: +2 each time. So next is 10.
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Q10: Find the missing number in the series:
10, 7, 4, 1, ?
Answer: B
Each term decreases by 3. Next: 1 - 3 = -2.
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Q9: Find the missing number in the series:
0, 1, 1, 2, 3, 5, ?
Answer: A
Fibonacci series: next number is sum of previous two: 3+5=8.
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Q105: Find the missing number in the series:
3, 6, 11, 18, 27, ?
Answer: A
Differences: +3, +5, +7, +9... next is +11 → 27+11 = 38.
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Q41: Find the missing number in the series:
3, 6, 11, 18, 27, ?
Answer: A
Differences: +3, +5, +7, +9... next is +11 → 27+11 = 38.
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Q49: Find the missing number in the series:
3, 6, 11, 18, 27, ?
Answer: A
Differences: +3, +5, +7, +9... next is +11 → 27+11 = 38.
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Q150: Find the missing number in the series:
3, 6, 11, 18, 27, ?
Answer: B
Differences: +3, +5, +7, +9... next is +11 → 27+11 = 38.
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Q81: Find the missing number in the series:
2, 3, 5, 7, 11, ?
Answer: A
Prime numbers: Next is 13.
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Q121: Find the missing number in the series:
100, 96, 89, 79, ?
Answer: A
Differences: -4, -7, -10... Pattern is -3 more each step → next -13: 79-13=66.
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