9th Standard English Medium Maths Subject Book Back 1 Mark Questions with Solution Part - II

9th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Maths

Time : 01:00:00 Hrs
Total Marks : 25

    1 Marks

    25 x 1 = 25
  1. The set P = {x | x ∈ Z , –1 < x < 1} is a –––––––––.

    (a)

    Singleton set

    (b)

    Power set

    (c)

    Null set

    (d)

    Subset

  2. If B ⊆ A then n(A∩B) is –––––––––.

    (a)

    n(A – B)

    (b)

    n(B)

    (c)

    n(B – A)

    (d)

    n(A)

  3. If X = {x : x = 4(n – 1), n ∈ N} and Y = {y : y = 3n – 2n – 1, n ∈ N}, then X∪Y is ______________

    (a)

    W

    (b)

    X

    (c)

    Y

    (d)

    N

  4. In a class of 50 boys, 35 boys play Carrom and 20 boys play Chess then the number of boys play both games is________.

    (a)

    5

    (b)

    30

    (c)

    15

    (d)

    10

  5. If J = Set of three sided shapes, K = Set of shapes with two equal sides and L = Set of shapes with right angle, then J ∩ K ⋂ L is ________.

    (a)

    Set of isoceles triangles

    (b)

    Set of equilateral triangles

    (c)

    Set of isoceles right triangles

    (d)

    Set of right angled triangles

  6. The shaded region in the Venn diagram is ________.

    (a)

    Z-(XUY)

    (b)

    (XUY)⋂Z

    (c)

    Z-(X⋂Y)

    (d)

    ZU(X∩Y)

  7. Which one of the following, regarding sum of two irrational numbers, is true?

    (a)

    always an irrational number

    (b)

    may be a rational or irrational number

    (c)

    always a rational number

    (d)

    always an integer.

  8. Which one of the following has a terminating decimal expansion?

    (a)

    \(\frac { 5 }{ 64 } \)

    (b)

    \(\frac { 8 }{ 9 } \)

    (c)

    \(\frac { 14 }{ 15 } \)

    (d)

    \(\frac { 1 }{ 12 } \)

  9. Which one of the following is an irrational number.

    (a)

    \(\sqrt { 25 } \)

    (b)

    \(\sqrt { \frac { 9 }{ 4 } } \)

    (c)

    \(\frac { 7 }{ 11 } \)

    (d)

    \(\pi\)

  10. The smallest rational number by which \(\frac { 1 }{ 3 } \)  should be multiplied so that its decimal expansion terminates after one place of decimal is   ________.

    (a)

    \(\frac { 1 }{ 10 } \)

    (b)

    \(\frac { 3 }{ 10 } \)

    (c)

    3

    (d)

    30

  11. Find the odd one out of the following.

    (a)

    \(\sqrt { 32 } \times \sqrt { 2 } \)

    (b)

    \(\frac { \sqrt { 27 } }{ \sqrt { 3 } } \)

    (c)

    \(\sqrt { 72 } \times \sqrt { 8 } \)

    (d)

    \(\frac { \sqrt { 54 } }{ \sqrt { 18 } } \)

  12. When (2\(\sqrt{5}\)-\(\sqrt{2}\))2 is simplified, we get ________.

    (a)

    4\(\sqrt{5}\)+2\(\sqrt{2}\)

    (b)

    22-4\(\sqrt{10}\)

    (c)

    8-4\(\sqrt{10}\)

    (d)

    2\(\sqrt{10}\)-2

  13. The Auto fare is found as minimum Rs. 25 for 3 kilometer and thereafter Rs. 12 for per kilometer. Which of the following equations represents the relationship between the total cost ‘c’ in rupees and the number of kilometers n?

    (a)

    c = 25 + n

    (b)

    c = 25 + 12n

    (c)

    c = 25 + (n–3)12

    (d)

    c = (n–3)12

  14. Degree of the polynomial (y3–2)(y3 + 1) is _______.

    (a)

    9

    (b)

    2

    (c)

    3

    (d)

    6

  15. If (x + 5) and (x - 3) are the factors of ax2+bx+c, then values of a, b and c are _______.

    (a)

    1, 2, 3

    (b)

    1, 2,15

    (c)

    1, 2, −15

    (d)

    1, −2,15

  16. Cubic polynomial may have maximum of ________ linear factors.

    (a)

    1

    (b)

    2

    (c)

    3

    (d)

    4

  17. If \(\frac { { a }_{ 1 } }{ { a }_{ 2 } } \neq \frac { { b }_{ 1 } }{ { b }_{ 2 } } \) where a1x + b1y + c1 = 0 and a2x + b2 y + c2 = 0 then the given pair of linear equation has _______ solution(s)

    (a)

    no solution

    (b)

    two solutions

    (c)

    unique

    (d)

    infinite

  18. The correct statement out of the following is ________.

    (a)

    ΔABC ≅ ΔDEF

    (b)

    ΔABC ≅ ΔDEF

    (c)

    ΔABC ≅ ΔFDE

    (d)

    ΔABC ≅ ΔFED

  19. The interior angle made by the side in a parallelogram is 90° then the parallelogram is a ________.

    (a)

    rhombus

    (b)

    rectangle

    (c)

    trapezium

    (d)

    kite

  20. If one angle of a cyclic quadrilateral is 75° , then the opposite angle is ________.

    (a)

    100°

    (b)

    105°

    (c)

    85°

    (d)

    90°

  21. In the given figure, If OP = 17cm PQ = 30, cm and OS is perpendicular to PQ, then RS is ________.

    (a)

    10 cm

    (b)

    6 cm

    (c)

    7 cm

    (d)

    9 cm

  22. The points (–5, 2) and (2, –5) lie in the ________.

    (a)

    same quadrant

    (b)

    II and III quadrant respectively

    (c)

    II and IV quadrant respectively

    (d)

    IV and II quadrant respectively

  23. The mean of a, b, c, d and e is 28. If the mean of a, c and e is 24, then mean of b and d is _______.

    (a)

    24

    (b)

    36

    (c)

    26

    (d)

    34

  24. The area of a triangle whose sides are a, b and c is ________

    (a)

    \(\sqrt { \left( s-a \right) \left( s-b \right) \left( s-c \right) } \)sq. units

    (b)

    \(\sqrt { s\left( s-a \right) \left( s-b \right) \left( s-c \right) } \)sq. units

    (c)

    \(\sqrt { s\left( s\times a \right) \left( s\times b \right) \left( s\times c \right) } \)sq. units

    (d)

    \(\sqrt { s\left( s-a \right) \left( s-b \right) \left( s-c \right) } \) sq. units

  25. A number between 0 and 1 that is used to measure uncertainty is called _______.

    (a)

    Random variable

    (b)

    Trial

    (c)

    Simple event

    (d)

    Probability

*****************************************

Reviews & Comments about 9th Standard English Medium Maths Subject Book Back 1 Mark Questions with Solution Part - II

Write your Comment