SSC CGL 202241)Select the INCORRECT statement with respect to the properties of a circle.
The perpendicular distance from the centre of a circle increases when the length of a chord increases.
SSC CGL 202242)The circumference of the two circles is 110 cm and 330 cm respectively. What is the difference between their radii?
35 cm
SSC CGL 202243)The hour hand moves through 4 hours and has a length of 6 cm. Find the area (in cm2, rounded off to two decimal places) of the sector covered by the hour hand.
37.71
SSC CGL 202244)Radius of a circle is 5 cm. Length of chord AB in this circle is 6 cm. What is the distance of this chord from the centre of the circle?
4 cm
SSC CGL 202245)If C1, C2 be the centres of two circles and r1, r2 be the respective radii such that the distance between the centres is equal to the sum of the radii of the two circles, find the number of common tangents.
3
SSC CGL 202246)If two circles of radii 18 cm and 8 cm touch externally, then the length of a direct common tangent is:
24 cm
SSC CGL 202247)The diameters of two circles are 12 cm and 20 cm, respectively and the distance between their centres is 16 cm. Find the number of common tangents to the circles.
3
48)In the figure, XYZ is a secant and ZT is a tangent to the circle at T. If TZ = 12 cm and YZ = 8 cm, then find the length of XY.
SSC CGL 2022
10 cm