Q10: Find the missing number in the series:
10, 7, 4, 1, ?
Answer: B
Each term decreases by 3. Next: 1 - 3 = -2.
Enter details here
Q1: Find the missing number in the series:
2, 3, 5, 7, 11, ?
Answer: A
Prime numbers: Next is 13.
Enter details here
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.
Enter details here
Q82: Find the missing number in the series:
10, 7, 4, 1, ?
Answer: B
Each term decreases by 3. Next: 1 - 3 = -2.
Enter details here
Q66: Find the missing number in the series:
121, 144, 169, ?
Answer: B
These are squares of 11, 12, 13... next: 14² = 196.
Enter details here
Q90: Find the missing number in the series:
1, 4, 9, 16, 25, ?
Answer: B
These are squares of natural numbers: 1², 2², 3²... next is 6² = 36.
Enter details here
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.
Enter details here
Q17: Find the missing number in the series:
10, 7, 4, 1, ?
Answer: A
Each term decreases by 3. Next: 1 - 3 = -2.
Enter details here
Q18: Find the missing number in the series:
100, 96, 89, 79, ?
Answer: B
Differences: -4, -7, -10... Pattern is -3 more each step → next -13: 79-13=66.
Enter details here
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.
Enter details here