Cengage Experts Team (CET) Solutions for Exercise 1: Practice Exercise

A boy is seventeenth from the right end in a row of $45$ boys. What is the position of the boy from the left end of the row?

In a row of girls facing the north, A is sixteenth from the left end and C is sixteenth from the right end. B is fourth on the right of A and is also fifth on the left of C. How many girls are there in the row?

In a row of students, A is fifth from the left end and B is sixth from the right end. When they exchange their positions, A becomes fifteenth from the left end. What is the position of B from the right end?

Three persons, A, B and C are standing in a queue. There are five persons between A and B and eight persons between B and C. If there are three persons ahead of C and $21$ behind A, then what could be the possible number of persons in the queue?

$$\begin{gathered} 1. 28 \\ 2. 35 \\ 3. 40 \end{gathered}$$

Select the correct answer using the codes given below:

P, Q, R and S are playing cards. P, R and S, Q are partners. The partners sit opposite to each other. S is on the right of R and R is facing the west. Then, which direction is S facing?

Two ladies and two gentlemen are playing cards and are sitting in the north, east, south and west directions. Persons sitting opposite to each other are not of the same sex. One gentleman is facing south. No lady is facing east. Which directions are the ladies facing?

Of the seven members in a panel seated in a row facing the same direction, A is on the immediate left of D, but at the immediate right of E. C is seated at the immediate right of X, but is also at the immediate left of B who is at the immediate left of F. 

Which member is seated in the middle of the row?