$A,B,C,D,E,F$ and $G$ are seven teachers. Each one teaches only one and different language from among Konkani, Hindi, Malayalam, English, Manipuri, Tamil and Kannada on different days of a week. $C$ teaches Malayalam on Friday. $B$ teaches Konkani on the next day of the day on which the concerned teacher teaches English. $F$ teaches on Thursday but neither teaches Hindi nor English. $D$ teaches Tamil on the previous day on which day $F$ teaches. $A$ teaches Kannada on Tuesday. $G$ teaches on the next day of the day on which the concerned teacher teaches Malayalam. $E$ does not teach English. Which subject does $E$ teach?

$A,B,C,D,E,F$ and $G$ are seven teachers. Each one teaches only one and different language from among Konkani, Hindi, Malayalam, English, Manipuri, Tamil and Kannada on different days of a week. $C$ teaches Malayalam on Friday. $B$ teaches Konkani on the next day of the day on which the concerned teacher teaches English. $F$ teaches on Thursday but neither teaches Hindi nor English. $D$ teaches Tamil on the previous day on which day $F$ teaches. $A$ teaches Kannada on Tuesday. $G$ teaches on the next day of the day on which the concerned teacher teaches Malayalam. $E$ does not teach English. On which day $B$ teaches?

$A,B,C,D,E,F$ and $G$ are seven teachers. Each one teaches only one and different language from among Konkani, Hindi, Malayalam, English, Manipuri, Tamil and Kannada on different days of a week. $C$ teaches Malayalam on Friday. $B$ teaches Konkani on the next day of the day on which the concerned teacher teaches English. $F$ teaches on Thursday but neither teaches Hindi nor English. $D$ teaches Tamil on the previous day on which day $F$ teaches. $A$ teaches Kannada on Tuesday. $G$ teaches on the next day of the day on which the concerned teacher teaches Malayalam. $E$ does not teach English. Which language does $F$ teach?

$A,B,C,D,E,F$ and $G$ are seven teachers. Each one teaches only one and different language from among Konkani, Hindi, Malayalam, English, Manipuri, Tamil and Kannada on different days of a week. $C$ teaches Malayalam on Friday. $B$ teaches Konkani on the next day of the day on which the concerned teacher teaches English. $F$ teaches on Thursday but neither teaches Hindi nor English. $D$ teaches Tamil on the previous day on which day $F$ teaches. $A$ teaches Kannada on Tuesday. $G$ teaches on the next day of the day on which the concerned teacher teaches Malayalam. $E$ does not teach English. Which language does $G$ teach?

$A,B,C,D,E,F$ and $G$ are seven teachers. Each one teaches only one and different language from among Konkani, Hindi, Malayalam, English, Manipuri, Tamil and Kannada on different days of a week. $C$ teaches Malayalam on Friday. $B$ teaches Konkani on the next day of the day on which the concerned teacher teaches English. $F$ teaches on Thursday but neither teaches Hindi nor English. $D$ teaches Tamil on the previous day on which day $F$ teaches. $A$ teaches Kannada on Tuesday. $G$ teaches on the next day of the day on which the concerned teacher teaches Malayalam. $E$ does not teach English. On which day $D$ teaches?

Rohit at a wedding asked to find the seating arrangement of the guests. There are eight guests, names Mrs. Hudson, John, Azhar, Sunita, Amber, Rajesh, Mahima and Vishal, who are supposed to sit in two rows of four chairs each, facing each other. The following information was provided:

• Amber is between Mrs. Hudson and Vishal, but just opposite to John.
• Rajesh is at one end of a line and is just next in the right of the John; or Rajesh is just after John.
• Mahima, who is sitting at one end of a row, is just diagonally opposite to Mrs. Hudson (who is at the other end of the opposite row).

Which of the following statements is/are definitely true?

I. Vishal is just next to Amber.
II. Azhar is just near to Vishal.
III. Mahima is either next or opposite to Sunita.
IV. Sunita is diagonally opposite to Rajesh

Find the missing value of $\text{'}a\text{'}$ and $\text{'}b\text{'}$ ?

In an Immunization drive in a hospital, receptionist was asked to allow one male patient when color-code announced is Blue $\left(B\right)$, one female patient when color-code announced is Pink $\left(P\right)$, two male and three female patients when color-code announced is Green $\left(G\right)$. She had been asked to allow exit of one male and two female patients from the doctor’s room when announced Red $\left(R\right)$. The $1\mathrm{st}$ sequence followed by receptionist is: $\left[BPGBBGPBRPBPBGGRBGBBGPPRGB\right]$

In the $2\mathrm{nd}$ sequence, she replaced ‘Green’ at odd position with ‘Blue’ code and ‘Pink’ at even position with ‘Red’ code.

How many female patients are still left in the hospital for immunization?