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Question 1
The distance between two parallel chords of length 16 cm each in a circle of diameter 20 cm is,
Question 2
Perpendicular of length 2√39 cm is drawn from the center to a chord of length 20 cm. Radius of the circle is
Question 3
D, E and F are the three points on a circle such that the angles subtended by the chords DE and DF at the center O are 80 ° and 90 ° respectively. ∠EDF is equal to
Question 4
Two circles of radii 13 cm and 5 cm touch internally each other. Find the distance between their centres:
Question 5
AB and CD are two parallel lines. The points B and C are joined such that 
A line CE is drawn making angle of 35 ° with the line 
is drawn parallel to 
as shown in figure, then 
is equal to
A line CE is drawn making angle of 35 ° with the line is drawn parallel to as shown in figure, then is equal to Question 6
If two supplementary angles differ by 58 °, then one of the angle is
Question 7
For what value of the following system of equations represents coincident lines?
3x+4y = 6
6x+8y = k
3x+4y = 6
6x+8y = k
Question 8
Find ∠ OCB + ∠ CBD - ∠ BDE in the following fig. 
Question 9
In the figure below, if ABCD is a parallelogram and ADE is a triangle, which of the following must be equal to x?
Question 10
If the difference between an exterior angle of a regular polygon of n sides and an exterior angle of another regular polygon of (n + 1) sides is equal to 5 °, then the value of n is
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Sep 28SSC & Railway
