Question : Directions: In the following question a series is given, with one number missing. Select the missing number from the given alternatives.
1, 3, 6, 11, 18, ?

Option 1: 27

Option 2: 28

Option 3: 29

Option 4: 31

Question : The value of $\sqrt{72+\sqrt{72+\sqrt{72+...}}}$ is:

Option 1: 9

Option 2: 8

Option 3: 18

Option 4: 12

Question : Directions: In the following question, find the odd number pair from the given alternatives.

Option 1: 52 – 61

Option 2: 43 – 54 

Option 3: 72 – 83 

Option 4: 18 – 29 

Question : Directions: In the following question, find the odd number pair from the given alternatives.

Option 1: 46 – 52

Option 2: 56 – 62

Option 3: 66 – 72 

Option 4: 76 – 84 

Question : $6\frac{1}{4}$% of 1600 + $12\frac{1}{2}$% of 800 equals:

Option 1: 100

Option 2: 200

Option 3: 300

Option 4: 400