Question : Direction: If Ramya's rank is 22nd out of 46 students, what is her rank from the last? 

Option 1: 26

Option 2: 25

Option 3: 32

Option 4: 24

Question : Directions: In the following question, select the one which is different from the other three alternatives.

Option 1: 38

Option 2: 39

Option 3: 40

Option 4: 41

Question : Directions: In the following question, a series is given with one number missing. Select the missing number from the given alternatives.
49, 46, 43, 40, ?, 34

Option 1: 38

Option 2: 37

Option 3: 36

Option 4: 39

Question : If $a+b :\sqrt{ab} = 4:1 $ where $ a > b > 0$, then $ a:b$ is:

Option 1: $\left (2+\sqrt{3} \right):\left (2-\sqrt{3} \right)$

Option 2: $\left (2-\sqrt{3} \right):\left (2+\sqrt{3} \right)$

Option 3: $\left (3+\sqrt{2} \right):\left (3-\sqrt{2} \right)$

Option 4: $\left (3-\sqrt{2} \right):\left (3+\sqrt{2} \right)$

Question : If $x: y: z=3: 4: 5$, then what will be the ratio of $\left(\frac{x}{y}\right):\left(\frac{y}{z}\right):\left(\frac{z}{x}\right)$?

Option 1: 49 : 37 : 100

Option 2: 45 : 48 : 100

Option 3: 41 : 37 : 100

Option 4: 37 : 47 : 100