Question : The average of 20 numbers is 36. If each number is increased by 4, then what will be the new average?

Option 1: 44

Option 2: 46

Option 3: 40

Option 4: 36

Question : If 40% of $x$ = 25% of 20, then what is the value of $x$?

Option 1: 22.5

Option 2: 12.5

Option 3: 17.5

Option 4: 20

Question : If $2 : x :: 4 : 28$, then find the value of $x$.

Option 1: 15

Option 2: 12

Option 3: 13

Option 4: 14

Question : If $3: x:: 12: 20$, then what is the value of $x$?

Option 1: 10

Option 2: 6

Option 3: 8

Option 4: 5

Question : If $8 : x :: x : 32$, find the positive value of $x$.

Option 1: 20

Option 2: 16

Option 3: 4

Option 4: 12