Question

9 times heads and 11 times tails are obtained when a coin is tossed 20 times. Answer Q16 and Q17 for this information.

16] The probability of getting head is ________ *

9/10

11/10

11/20

9/20

17] The probability of getting tail is ________ *

9/10

11/10

11/20

9/20

*



a = 14 , b = 6

a = 8 , b = 3

a = 14, b = 3

a = 8 , b = 6

19] The zero of the polynomial p(x)=2x+1 is _______ *

2

1

1/2

- 1/2

20] π is a _______ number. *

Fraction

Rational

Integer

Irrational

*



2 is the zero of the polynomial

0 is the zero of the polynomial

co-efficient of x is 1

co-efficient of x2 is 1

22] The co-ordinates of origin 0 in the plane are _____ *

(1, 1)

(2,2)

(0,0)

(0,1)

*



5

53

52

54

*



√5a

√5

5

-5a

25] If x=4, y= -5, u= -6 and v= 8 then point (x + y, u + v) is in ______ quadrant. *

First

Third

Fourth

Second

26] The point of intersection of horizontal line and vertical line in the co-ordinate plane used to represent any point is called ______ *

X Axis

origin

Y Axis

First quadrant

​

Answer 1

Answer:

16 = 9/20

17 = 11/20

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