Answer Key: 1
Explanation: We have:5×2+1=11, 11×2+1=23, 23×2+1 = 47, 47×2+1=95.
So, missing number=95×2+1=191. So,answer is option 1

Answer Key: 2
Explanation: The pattern is : 8×2=16, 12×2=24. So, missing number= 18×2=36.
So answer is option 2

Answer Key: 4
Explanation: Moving clockwise, we have :486÷3=162, 162÷3=54
So, missing number =54÷3=18 So answer is option 4

Answer Key: 2
Explanation: We have: 3+5=8, 5+8=13, 8+13 = 21.
So, missing number =13+21=34 So answer is option 2

Answer Key: 1
Explanation: By going clockwise, the terms are  :,5³,6³,7³ , 8³, 9³, 10³  So answer is option 1

Answer Key: 3
Explanation: The numbers in the right half form the series with common difference one 12,13,14,15
The numbers in the left half form the series with common difference two 15,17,19,21.
So the answer is option 3

Answer Key: 2
Explanation: The two ends of each line   contain a number and its square. So, missing number =3²= 9. So the answer is option 2

Answer Key: 2
Explanation: The pattern is  5×2 -1 =9,9×2-1=17,17×2-1=33,33×2-1=65,65×2-1=129,129×2-1=257
 257×2-1=513, 513×2-1=1025  so answer is option 2.

Answer Key: 3
Explanation: We have 65+25=90, 90+27=117. So, missing number=117+29=146. So answer is option 3

Answer Key: 2
Explanation: We have : 12+2³=20,20+3³=47.So, missing number =47+4³ =111
So answer is option 2