The following number line shows the temperature in degree Celsius (°C) at different places on 12 May 20XX.
What is the temperature difference between Ooty and Chennai?
Fill in the blanks.
(i) Perpendicular bisector of the diameter of a circle passes through the P of the circle.
(ii) If B is image of A in line l and D is image of C in line l, then AC = Q.
(iii) Angle bisector is a ray which divides the angle in R equal parts.
I don't understand this question
Study the four numbers in the given set. Using them find the values of P, Q and R respectively.
(A) (19, 9, 21)
(B) (8, 21, 9)
(C) (19, 8, 9)
(D) (19, 8, 21)