Question

P,Q,R and s have to give lectures to an audience.The organiser can arrange the order of their presentation in​

Answer 1

Answer:

gx

Step-by-step explanation:

xdx

Answer 2

Answer:

Since there are 4 people P, Q, R, S who are to give lecture to an audience. 

∴ The number of ways in which their presentation can be arranged 

= 4 != 4 × 3 × 2 × 1 =24