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

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

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

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

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