Class 9 Maths MCQ

Test your knowledge with important Class 9 Maths MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Class 9 Maths MCQs at Bissoy

• Volume of a cylinder having radius r and height h is given by __________
  ক

  r * h2

  খ

  h * r2

  গ

  πr2h

  ঘ

  \(\frac{1}{3}\)πr2h
• What is the cost of digging a pit of cuboidal shape dimensions of which are 5m * 6m * 3m at the rate of ₹35/m3?
  ক

  ₹3000

  খ

  ₹3150

  গ

  ₹3375

  ঘ

  ₹3225
• Volume of a cuboid is 1176cm3, its length and breadth are 12cm and 7cm respectively. What is the height of the cuboid?
  ক

  24cm

  খ

  11cm

  গ

  14cm

  ঘ

  20cm
• Volume of a cube of sides equal to l is given by __________
  ক

  l * b * h

  খ

  l3

  গ

  l2

  ঘ

  π * l * b * h
• Volume of a cuboid of length l, breadth b and height h is given by __________
  ক

  l * b * h

  খ

  l3

  গ

  l2

  ঘ

  π * l * b * h
• Total surface are of a hemisphere of radius “r” is equal to __________
  ক

  2πr2

  খ

  4πr2

  গ

  3πr2

  ঘ

  πr2
• Surface area of a sphere of radius “r” is given by __________
  ক

  2πr2

  খ

  4πr2

  গ

  3πr2

  ঘ

  πr2
• The total surface area of a cone of base radius “r” and slanted height “l” is equal to __________
  ক

  πrl + 2πr2

  খ

  2πrl + 2πr2

  গ

  πrl + πr2

  ঘ

  2πr2
• In the figure given below, the cone is right circular cone.
  ক

  True

  খ

  False
• Total surface area of a cylinder having base radius “r” and height “h” is equal to __________
  ক

  2πrh + 2πr2

  খ

  2πr2

  গ

  2πrh

  ঘ

  4πr2
• Curved surface area of a cylinder having base radius “r” and height “h” is equal to __________
  ক

  2πrh + 2πr2

  খ

  2πr2

  গ

  2πrh

  ঘ

  4πr2
• A transparent cylinder shown in the figure below is a right circular cylinder.
  ক

  True

  খ

  False
• A cube of side equal to 20 cm is open from the top. Its total surface area is __________ cm2.
  ক

  2000

  খ

  2400

  গ

  2500

  ঘ

  8000
• Total surface area of a cube having sides l is given by __________
  ক

  l*b*h

  খ

  2(lb + bh + lh)

  গ

  lb + bh + lh

  ঘ

  6l2
• Total surface area of a cuboid having dimensions l*b*h is __________
  ক

  l*b*h

  খ

  2(lb + bh + lh)

  গ

  lb + bh + lh

  ঘ

  6l2
• From the diagram given below, what is the relation between ∠BAC and ∠BCD?
  ক

  ∠BAD = ∠BCD

  খ

  ∠BAD = 2∠BCD

  গ

  ∠BAD = 0.5∠BCD

  ঘ

  ∠BAD = 3∠BCD
• From the diagram given below, if ∠AOB is the angle subtended by an arc AB, then what is the relation between ∠AOB and ∠ACB?
  ক

  ∠AOB = ∠ACB

  খ

  ∠AOB = 2∠ACB

  গ

  ∠AOB = 3∠ACB

  ঘ

  ∠AOB = 0.5∠ACB
• From the diagram given below, if for two chords AB and CD, AB = CD, which of the following is true?
  ক

  OM < ON

  খ

  OM > ON

  গ

  OM = ON

  ঘ

  OM ≠ ON
• How many circles can pass through three points which are not collinear?
  ক

  One

  খ

  Two

  গ

  Three

  ঘ

  Four
• If a circle passes through three points which are collinear, the third point either lies outside or inside the circle.
  ক

  True

  খ

  False
• From the diagram given below, if O is the centre of the circle and OL is perpendicular to chord AB, then which of the following is true?
  ক

  AL > LB

  খ

  AL < LB

  গ

  AL ≠ LB

  ঘ

  AL = LB
• From the diagram given below, if lengths of the chords AB and PQ are equal, then ∠AOB = ∠POQ.
  ক

  True

  খ

  False
• From the diagram given below, angle subtended by the chord AB at the centre is __________
  ক

  ∠OAB

  খ

  ∠AOB

  গ

  ∠ACB

  ঘ

  ∠CAB
• When does both segments and both sectors become equal?
  ক

  When two arcs are equal

  খ

  When radius = 2 * chord

  গ

  When two arcs are unequal

  ঘ

  When chord = radius
• The region between an arc and the two radii, joining the centre to the end points of the arc is called __________
  ক

  arc

  খ

  chord

  গ

  sector

  ঘ

  area of circle
• From the diagram given, arc ABC is major arc.
  ক

  True

  খ

  False
• A circle divides the plane into __________ parts.
  ক

  two

  খ

  three

  গ

  four

  ঘ

  five
• The collection of all the points in a plane, which are at a fixed distance from a fixed point in the plane, is called __________
  ক

  square

  খ

  triangle

  গ

  rectangle

  ঘ

  circle
• Two figures having the same area are always congruent.
  ক

  True

  খ

  False
• If the ratio of four angles of a quadrilateral is ∠A : ∠B : ∠C : ∠D = 1 : 2 : 3 : 4, what is the value of ∠C?
  ক

  90°

  খ

  108°

  গ

  180°

  ঘ

  72°