Circle by Jitendra Tyagi sir
Circle by Jitendra Tyagi sir
Circle by Jitendra Tyagi sir
Q.2 The external fencing of a circular path around a circular
plot of land 33 m more than its interior fencing. The width of
the path around the plot is
(A) 5.52 m (B) 5.25m (C) 2.55m (D) 2.25m
Q.3 On increasing the diameter of a circle by 75%, the
percentage increase in the perimeter is
(A)75% (B)80% (C)65% (D) 70%
Q.4 A is the centre of circle whose radius is 8 and B is the
centre of a circle whose diameter is 8. If these two circles
touch externally, then the area of circle with diameter AB is
(A)36π
(B) 64π
(C) 144π
(D) 256π
Q.6 The perimeter of a semicircular path is 36m. Find
the area of this semi-circular path.
(A) 42 sq m (B) 54sqm (C)63sqm (D 77sq m
Q.7 The wheel of a motor car makes 1000 revolutions in
moving 440m. The diameter(in m) of the wheel is
(A)0.44 (B) 0.14 (C) 0.24 (D)0.34
Q.8 If the circumference of a circle is decreased by 50%, then
the percentage of decrease in its area is
(A) 25 (B) 50 (C)60 (D) 75
Circle by Jitendra Tyagi sir
Q.12 The length of the common chord of two
intersecting circles is 24 cm. If the diameters of the
circles are 30 cm and 26 cm, then the distance
between the centers in cm is
(A) 13
(B)14
(C) 15
(D)16
Q.14 A unique circle can always be drawn through x
number of given non-collinear points, then x must be
(A) 1
(B) 2 (C) 3 (D)4
Q.16 If the circumcentre of a triangle lies outside it,
then the triangle is
(A)Equilateral
(B) Acute angled
(C) right angled
(D)obtuse angled
Q.17 If in a triangle, the circumcentre , incentre,
centroid and orthocenter coincide, then the
triangle is
(A)Acute angled
(B)isosceles
(C)right angled
(D)equilateral
Circle by Jitendra Tyagi sir
Q.18 The equidistant point from the vertices of a
triangle is called its
(A)Centroid
(B)Incentre
(C)Circumcentre
(D) Orthocentre
Q.19 SSCCGL
Q.20 SSCCGL
• The circumference of two circles is 198 and 352 cm,
respectively. What is the difference between their radii?
• (A) 45 cm (B) 16.5 cm (C) 49.5cm (D) 24.5 cm
Q.21 SSCCGL
• Radius of a circle is 10 cm. Angle made by chord AB at the
centre of this circle is 60 degree. What is the length of this
chord?
• (A) 40cm (B) 20cm (C) 30cm
(D) 10cm