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PYQs for Class 9 Math Section A - Salwan Public School Gurgaon

Q 1. Which of the following numbers is an irrational numbers?

(a.)

16 - √4

(b.)

(3 - √3) (3 + √3)

(c.)

√5 + 3

(d.)

- √25

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Q 2. The degree of the ploynomial y2(y - y3) is:

(a.)

2

(b.)

3

(c.)

5

(d.)

6

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Q 3. In the given figure AB ∥ CD, If ∠APQ = 70° and ∠PRD = 120° then ∠QPR = ?

(a.)

50°

(b.)

60°

(c.)

40°

(d.)

35°

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Q 4. The area of triangle AOB having vertices A(0, 6), 0(0, 0) and B(6, 0) is:

(a.)

12 sq. units

(b.)

36 sq. units

(c.)

18 sq. units

(d.)

24 sq. units

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Q 5. The value of ∜∛22

(a.)

2-1/6

(b.)

26

(c.)

21/6

(d.)

2-6

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Q 6. It is given that ∆ABC ≅ FDE and AB = 5 cm ∠B = 40° and ∠A = 80°. Then which of the following is true?

(a.)

DF = 5cm, ∠F = 60°

(b.)

DF = 5cm, ∠E = 60°

(c.)

DE = 5cm, ∠E = 60°

(d.)

DE = 5cm, ∠D = 40°

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Q 7. The abscissa of a point is positive in:

(a.)

I and II quadrants

(b.)

I and IV quadrants

(c.)

I quadrant only

(d.)

II quadrant only

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Q 8. The length of each side of an equilateral triangle having an area of 9√3 cm2 is:

(a.)

8 cm

(b.)

36 cm

(c.)

4 cm

(d.)

6 cm

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Q 9. AOB is a stsaignt line. If ∠AOC = 3x + 10° and ∠BOC = ?

(a.)

96°

(b.)

86°

(c.)

76°

(d.)

106°

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Q 10. If ABC and DBC are two isosceles triangles on the same base BC, then

(a.)

∠ABD = ∠ACD

(b.)

∠ABD > ∠ACD

(c.)

∠ABD < ∠ACD

(d.)

∠ABD < ∠ACD

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Q 11. An isosceles right triangle has an area 8 cm2. The length of its hypotnuse is:

(a.)

√32 cm

(b.)

√16 cm

(c.)

√48 cm

(d.)

√24 cm

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Q 12. If q(x) = x2 - 2√2x + 1, find q(2√2)

(a.)

0

(b.)

1

(c.)

-1

(d.)

None of these

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Q 13. To draw a histogram to represent the following frequency distribution
the adjusted frequency for the class 25 - 45 is:

(a.)

6

(b.)

5

(c.)

3

(d.)

2

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Q 14. The simplest form of 0.54 is:

(a.)

27/50

(b.)

6/11

(c.)

4/7

(d.)

None of these

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Q 15. In the given below figure, AB ∥ CD, if ∠BAO = 60° and ∠OCD = 110° then ∠AOC = ?

(a.)

70°

(b.)

60°

(c.)

50°

(d.)

40°

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Q 16. The point which lies on the y-axis at a distance of 5 units below x-axis is:

(a.)

(-5, 0)

(b.)

(0, -5)

(c.)

(5, 0)

(d.)

(0, 5)

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Q 17. Choose the correct option:

(a.)

Both A and R are true and R is the correct explanation for A

(b.)

Both A and R are true but R is not the correct explanation for A

(c.)

A is true but R is false

(d.)

A is false but R is true

Statement A (Assertion): If p(x) = ax + b, a ≠ 0 is linear polynomial, then x = - b / a is the only zero of p(x)
Statement R (Reason): A linear polynomial has one and only one zero.
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Q 18. Choose the correct option:

(a.)

Both A and R are true and R is the correct explanation for A

(b.)

Both A and R are true but R is not the correct explanation for A

(c.)

A is true but R is false

(d.)

A is false but R is true

Statement A (Assertion): Sum of two irrational numbers 2 + √3 and 4 + √3 is irrational number.
Statement R (Reason): Sum of two irrational numbers is always an irrational number.
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