Read the given statements carefully and state T for true and F for false.
P. The number of letters having perpendicular lines in the given word is 4.
Q. The number of lines of symmetry in a square is 4.
R. An isosceles triangle does not have any line of symmetry.
AP - F ; Q - F ; R - T
BP - T ; Q - F ; R - F
CP - F ; Q - T ; R - T
DP - T ; Q - T ; R - T