There are 18 pupils in a queue. If the distance between two pupils is 80 cm, how long is the queue?
(a) 1063 cm
(b) 1036 cm
(c) 1630 cm
(d) 1360 cm
The given list shows the names of the students who are in the Sports Club.
One student will be chosen at random. What fraction of names are starting with alphabet S?
Circles with centre P, Q and R are shown in the figure. The diameter of circle with centre R is 22 cm. What is the length of PR ?