Subject :NSO Class : Class 9
Three persons P, Q and R are standing in a queue. There are five persons between P and Q and eight other persons between Q and R. If there are only three persons ahead of R and 21 persons behind P, what could be the minimum number of persons in the queue?
A40
B43
C47
D482
pls tell the answer
Ans 1:
Class : Class 9
21 1 5 1 8 1 3=40