Series

Question 11

Find wrong number in series:
7, 26, 63, 124, 215, 342,496

• 7
• 63
• 215
• 496

Question 12

Find wrong number in series:
1, -6, 18, -54, 162, -486

• 1
• -6
• 162
• -486

Question 13

Find wrong number in series:
2, 8, 12, 20, 30, 42, 56, 72

• 8
• 20
• 42
• 72

Question 14

Find wrong number in series:
8, 12, 16, 27, 40.5, 60.75

• 12
• 16
• 40.5
• 60.75

Question 15

Find wrong number in series:
15, 25, 30, 46, 85, 90, 115

• 30

• 46

• 85

• 115

Question 16

The Fibonacci sequence is the sequence of integers

• 1, 3, 5, 7, 9, 11, 13
• 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55
• 0, 1, 3, 4, 7, 11, 18, 29, 47
• 0, 1, 3, 7, 15

Question 17

What will be the next number? 3, 5, 7, 11, 13, 17…….

• 21

• 19

• 25

• 20

Question 18

What is the missing number in the following sequence? 2, 12, 60, 240, 720, 1440, .... 0

• 2880
• 1440
• 720
• 0