# CBSE Class 9 Mathematics MCQs Set A

• a) -2
• b) -2/3
• c) -4
• d) -4/3

• a) 9cm
• b) 13cm
• c) 16cm
• d) 8cm

• a) 15cm
• b) 18cm
• c) 25cm
• d) 20cm

• a) (4,1)
• b) (6,2)
• c) (5,1)
• d) (0,2)

• a) 1/2
• b) 1/3
• c) 1/5
• d) 2

• a) 90
• b) 110
• c) 100
• d) None

• a) 104°
• b) 124°
• c) 94°
• d) 84°

• a) 22°
• b) 33°
• c) 44°
• d) 68°

• a) Peru
• b) Mexico
• c) El Doeodo
• d) Spain

#### Question: Which of the following is an irrational number?

• a) 3.14
• b) 3.141
• c) 3.1411
• d) 3.141141114

• a) 2,3
• b) -2, 3
• c) 2,-3
• d) -2, -3

• a) -3
• b) 9
• c) -9
• d) 12

• a) 0
• b) 1
• c) 30
• d) 31

• a) 80°
• b) 100°
• c) 120°
• d) 140°

• a) 45°
• b) 60°
• c) 105°
• d) 120°

• a) 60cm2
• b) 30cm2
• c) 15√3cm2
• d) 45cm2

• a) 100√3 m2
• b) 10√3 m2
• c) 15√4 m2
• d) 20√3 m2

• a) 1900
• b) 1920
• c) 1800
• d) 1840

#### Question: In a cylinder, radius is doubled and height is halved, curved surface area will be

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

• a) 46
• b) 54
• c) 90
• d) 100

#### Question: The equation 2x + 5y = 7 has a unique solution, if x, y are :

• a) Natural numbers
• b) Positive real numbers
• c) Real numbers
• d) Rational numbers

• a) 17 cm
• b) 15 cm
• c) 4 cm
• d) 8 cm

• a) 80°
• b) 40°
• c) 50°
• d) 100°

#### Question: Abscissa of all the points on the x-axis is

• a) 0
• b) 1
• c) 2
• d) any number

• a) 1/5
• b) 1/4
• c) 4/5
• d) 3/4

#### Question: Point (– 10, 0) lies

• a) on the negative direction of the x-axis
• b) on the negative direction of the y-axis
• c) in the third quadrant
• d) in the fourth quadrant

Answer: on the negative direction of the x-axis

• a) 40°
• b) 50°
• c) 80°
• d) 130°

• a) 80°
• b) 50°
• c) 40°
• d) 30°

#### Question: The linear equation 2x – 5y = 7 has

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

• a) 130
• b) 135
• c) 140
• d) 145

• a) 10 : 17
• b) 20 : 27
• c) 17 : 27
• d) 20 : 37

• a) 1/5
• b) 1/4
• c) 4/5
• d) 3/4

#### Question: In a cylinder, radius is doubled and height is halved, curved surface area will be

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

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