Top

Number Series

Important Instructions
11.

Q113: 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

12.

Q1: Find the missing number in the series:
2, 3, 5, 7, 11, ?

Answer: A

Prime numbers: Next is 13.

Enter details here

13.

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

14.

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.

Enter details here

15.

Q25: Find the missing number in the series:
2, 4, 6, 8, ?

Answer: A

Simple arithmetic progression: +2 each time. So next is 10.

Enter details here

16.

Q97: Find the missing number in the series:
1, 4, 9, 16, 25, ?

Answer: A

These are squares of natural numbers: 1², 2², 3²... next is 6² = 36.

Enter details here

17.

Q33: 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

18.

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.

Enter details here

19.

Q57: Find the missing number in the series:
2, 3, 5, 7, 11, ?

Answer: A

Prime numbers: Next is 13.

Enter details here

20.

Q81: Find the missing number in the series:
2, 3, 5, 7, 11, ?

Answer: A

Prime numbers: Next is 13.

Enter details here

Loading…