The number of males in University Q are what percent of the total number of students in university S ?
(D) None of these
What is the ratio of the number of females from universities P and Q together to the number of males in universities R and T together ?
(A) 27 : 32
(B) 27 : 28
(C) 25 : 28
(D) 28 : 27
Maria has three identical ribbons. She cut one ribbon into 4 equal pieces, the second ribbon into 5 equal pieces and the third ribbon into 6 equal pieces.
The sum of one piece of ribbon from each kind resulted in 740 cm.
What is the length of the ribbon she took initially?
In the given figure ∠POR = 90° and OQ bisects ∠POS, then the value of 2y + z is ______.