Question : Each interior angle of a regular polygon is $18^{\circ}$ more than eight times an exterior angle. The number of sides of the polygon is:

Option 1: 10

Option 2: 15

Option 3: 20

Option 4: 25

Question : The diagonals of two squares are in the ratio of 3 : 7. What is the ratio of their areas?

Option 1: 3 : 7

Option 2: 9 : 49

Option 3: 4 : 7

Option 4: 7 : 3

Question : The value of $9\times [(9 - 4) \div{\{(8 \div 8\ \text{of}\ 4) +(4 \div 4 \ \text{of}\ 2)}\}]$ is:

Option 1: $20$

Option 2: $60$

Option 3: $\frac{15}{4}$

Option 4: $\frac{15}{2}$

Question : Directions: A series of figures are given which can be grouped into classes. Select from the alternatives one set of groups into which the figures can be classified.

Option 1: 1, 3, 6; 2, 4, 6; 5, 7, 9

Option 2: 1, 4, 9; 3, 6, 8; 2, 5, 7

Option 3: 3, 4, 7; 9, 8, 7; 4, 3, 1

Option 4: 2, 3, 6; 9, 3, 4; 6, 3, 2

Question : Directions: If 7² A 7 B 9 = 16, and 5² A 5 B 7 = 12, then 9² A 3 B 8 = ?

Option 1: 17

Option 2: 92

Option 3: 86

Option 4: 35