Subject Experts Solutions for Chapter: Number and Ranking, Exercise 3: EXERCISE - 2

In a row of boys facing the North, $A$ is sixteenth from the left end and $C$ is sixteenth from the right end. $B$, who is fourth to the right of $A$, is fifth to the left of $C$ in the row, How many boys are there in the row?

In a row of $40$ girls, when Komal was shifted to her left by $4$ places her number from the left end of the row become $10$. What was the number of Swati from the right end of the row if Swati was three places to the right of Komal's original positions?

In a row of $40$ girls, when Komal was shifted to her left by $4$ places her number from the left end of the row become $10$. What was the number of Swati from the right end of the row if Swati was three places to the right of Komal's original positions?

If you count $21$ letters in the english alphabet from the end and $20$ letters from the beginning, which letter will exactly appear in the middle of the sequence thus formed?

Five persons$P. Q. R. S$ and $T$ are sitting in a row. $Q$ in between $P$ and $T$. To find who among them is in the middle, which of the following information given in the following statements is are sufficient?

STATEMENTS:

I. $P$ is left of $Q$ and right of $S$

II. $R$ is at the right end

Select the correct answer using the code given below

Six persons $A,B,C,D,E$ and $F$ are sitting in two rows, three persons are sitting in each row

$E$ is not at the end of any row

$D$ is second to the left of $F$

$C$ is neighbour of $E$ is sitting diagonally opposite to $D$

$B$ is neighbour of $F$

Who are sitting in each column?

Five friends $A,B,C,D$ and $E$ are standing in a row facing south but not necessarily in the same order. Only $B$ is between $A$ and $E$, $C$ is immediate right to $E$ and $D$ is immediate left to $A$. On the basis of above information 

$A,B,C$ and $D$ are to be seated in a row. $C$ and $D$ cannot be on adjacent seat. Also, $B$ cannot be at the third place. Which of the following must be false?