CBSE Class 9 Mathematics MCQs Set C

 

Question: Point (–3, 5) lies in the

  • a) first quadrant
  • b) second quadrant
  • c) third quadrant
  • d) fourth quadrant

Answer: second quadrant


Question: If Δ ABC ≅ Δ PQR and Δ ABC is not congruent to Δ RPQ, then which of the following is not true:

  • a) BC = PQ
  • b) AC = PR
  • c) QR = BC
  • d) AB = PQ

Answer: BC = PQ


Question: ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ∠ADC = 140º, then ∠BAC is equal to:

  • a) 80º
  • b) 50º
  • c) 40º
  • d) 30º

Answer: 40º


Question: The linear equation 3x – y = x – 1 has :

  • a) A unique solution
  • b) Two solutions
  • c) Infinitely many solutions
  • d) No solution

Answer: Infinitely many solutions


Question: The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The upper class-limit of the highest class is:

  • a) 15
  • b) 25
  • c) 35
  • d) 40

Answer: 35


Question: The total surface area of a cube is 96 cm2. The volume of the cube is:

  • a) 8 cm
  • b) 512 cm3
  • c) 64 cm
  • d) 27 cm3

Answer: 64 cm

 

Question: In a sample study of 642 people, it was found that 514 people have a high school certificate. If a person is selected at random, the probability that the person has a high school certificate is :

  • a) 0.5
  • b) 0.6
  • c) 0.7
  • d) 0.8

Answer: 0.8


Question: In a cylinder, if radius is halved and height is doubled, the volume will be

  • a) Same
  • b) doubled
  • c) halved
  • d) four times

Answer: doubled


Question: The width of each of five continuous classes in a frequency distribution is 5 and the lower class-limit of the lowest class is 10. The upper class-limit of the highest class is:

  • a) 15
  • b) 25
  • c) 35
  • d) 40

Answer: 35

 

Question: Which of the following cannot be empirical probability of an event?

  • a) 4/5
  • b) 1
  • c) 0
  • d) 5/4

Answer: 5/4


More Questions..................


Question: If the volume of a sphere is numerically equal to its surface area, then radius of the sphere is

  • a) 1 unit
  • b) 3 units
  • c) 2 units
  • d) 6 units

Answer: 3 units


Question: In a frequency distribution, the mid-value of a class is 20 and the width of the class is 8. then the lower limit of the class is

  • a) 12
  • b) 24
  • c) 28
  • d) 16

Answer: 16


Question: Equation of x-axis is

  • a) x = 0
  • b) x = y
  • c) y = 0
  • d) x + y = 0

Answer: y = 0


Question: The median of a triangle divides it into two

  • a) triangles of equal area
  • b) equilateral triangles
  • c) right triangles
  • d) isosceles triangles

Answer: triangles of equal area


Question: Sum of exterior angles of a triangle is :

  • a) 270°
  • b) 306°
  • c) 630°
  • d) 360°

Answer: 360°


Question: Which one is correct order of Cartesian plane for the points (4, –4), (–3, 2), (–5, – 7) and (6, 3)?

  • a) I, II, III, IV
  • b) IV, II, III, I
  • c) III, II, I, IV
  • d) II, III, IV, I

Answer: IV, II, III, I


Question: What is the remainder when polynomial x3 – ax2 + 6x – a is divided by (x – a)?

  • a) a
  • b) 3a
  • c) a/5
  • d) 5a

Answer: 5a


Question: What are the zeroes of the polynomial x2 – 16?

  • a) (4, –4)
  • b) (–4, –4)
  • c) (4, 4)
  • d) None of these

Answer: (4, –4)


Question: A bag contains 7 red balls, 6 green balls, 4 black balls. A ball is drawn randomly from this bag. What is the probability of the drawn ball is to be white ball?

  • a) 7/17
  • b) 6/17
  • c) 4/17
  • d) 0

Answer: 0


Question: Find the area of equilateral triangle of side 4 cm.

  • a) 4√3 cm
  • b) 4√3 cm
  • c) 3√4 cm
  • d) 6cm

Answer: 4√3 cm


Question: [(64)1/2 x (1/27)1/3]2

  • a) 2
  • b) 9
  • c) 9/2
  • d) 2/9

Answer: 2/9


Question: In the given figure if <BAC = 72° and AB = AC, <ACD = ? 





 
 
  • a) 54°
  • b) 126°
  • c) 136°
  • d) 108°

Answer: 126°

 

Question: If DC AA ||  AB, the values of ‘x’ and ‘y’ are :





 

  • a) (45°, 25°)
  • b) (25°, 65°)
  • c) (30°, 45°)
  • d) (45°, 30°)

Answer: (25°, 65°)


Question: In the given figure if <BAC = 72° and AB = AC, <ACD = ?



 
 
 
 
 
 
  • a) 54°
  • b) 126°
  • c) 136°
  • d) 108°

Answer: 126°

 

Question: In circle (O, r) AB is the chord and <ACB = 76o, find <ADB.









  • a) 67°
  • b) 78°
  • c) 87°
  • d) 76°

Answer: 76°

 

 


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