4913.
Two circles touch each other at a point O. AB is a simple common tangent to both the circles touching at point A and point
B. If radii of the circles are 9 cm and 4 cm, then find AB.
(A)
72 cm
(B)
144 cm
(C)
12 cm
(D)
24 cm
4914.
(A)
(B)
(C)
(D)
4915.
Three persons ran for office and got, 1136, 7636 and 11628 votes, respectively. What was the winning candidate's
percentage of the total votes?
(A)
52%
(B)
61%
(C)
59%
(D)
57%
4916.
(A)
(B)
(C)
(D)
4917.
PQ is a diameter of a circle with centre O. The tangents at R meets PQ produced at A. If ∠RPQ = 27°, then measure of ∠RQP
is: