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**Number System **

Mutiple choice questions

1➤ What is value of 1/√2

ⓐ √2/2

ⓑ 1/2

ⓒ 2/4

ⓓ None

ⓑ 1/2

ⓒ 2/4

ⓓ None

2➤ If a denominator divides a numerator completely it is

ⓐ Terminating Decimal

ⓑ Irrational

ⓒ Non terminating Decimal

ⓓ None

ⓑ Irrational

ⓒ Non terminating Decimal

ⓓ None

3➤ 1/3 is terminating decimal or non terminating decimal

ⓐ Terminating

ⓑ Both

ⓒ Non terminating

ⓓ None

ⓑ Both

ⓒ Non terminating

ⓓ None

4➤ Two rational numbers between 2/3and 5/3 are

ⓐ 5/6 and 7/6

ⓑ 3/3 and 4/3

ⓒ 1/3 and 6/3

ⓓ None

ⓑ 3/3 and 4/3

ⓒ 1/3 and 6/3

ⓓ None

5➤ Which of the following is an irrational number

ⓐ 634

ⓑ π

ⓒ 3.2

ⓓ 2.2

ⓑ π

ⓒ 3.2

ⓓ 2.2

6➤ If x= 2+√3 then (x+1/x) equals to

ⓐ 2

ⓑ 4

ⓒ √3

ⓓ 5

ⓑ 4

ⓒ √3

ⓓ 5

7➤ Add 5√2+3√3 and 2√2-5√3

ⓐ 7√2-2√3

ⓑ 7√2+8√3

ⓒ 5

ⓓ None

ⓑ 7√2+8√3

ⓒ 5

ⓓ None

8➤ What is the value of (√11-√7)(√11+√7) a) 4

ⓐ 0

ⓑ 18

ⓒ 4

ⓓ 2√11

ⓑ 18

ⓒ 4

ⓓ 2√11

9➤ Which of the following is a rational number?

ⓐ 3.14

ⓑ π

ⓒ 2.3333....

ⓓ 0

ⓑ π

ⓒ 2.3333....

ⓓ 0

10➤ Simplified value of (125)^-1/3

ⓐ 1/5

ⓑ 5

ⓒ 2/5

ⓓ 1/25

ⓑ 5

ⓒ 2/5

ⓓ 1/25

Que 1

The zero of the polynomial (2x+5) is

a) 2/5

b) 5/2

c) 0

d) -5/2

Ans (d)

Que 2

The remainder obtained when the polynomial p(x) is divided by (b-ax)

a) p(-b/a)

b) p(a/b)

c) p (b/a)

d) p(-a/b)

Ans (c)

Que 3

Which of the following is a polynomial in x

a) x+1/x

b)x^2+√x

c) x+√2x^2+1

d) √3x+1

Ans (c)

Que 4

Which of the polynomial has (-3) as a zero

a) x-3

b) x^2-9

c) x^2-3x

d) x^2+3

Ans ( b)

Que 5

The value of the polynomial x^2-x-1 at x=-1 is

a) -3

b) 1

c) -1

d) 0

Ans ( b)

Que 6

The remainder when x^2+2x+1 is divided by (x+1) is

a) 4

b) 0

c) 1

d) -2

Ans (b)

Que 7

The coefficient of x^2 in the product

(x-1)(1-2x) is

a) 3

b) 2

c)(-2)

d)(-3)

Ans (c)

Que 8

The degree of polynomial 2-5y+x^2 is

a) 2

b) 1

c) 5

d) 0

Ans (2)

Que 9

Degree of zero polynomial is

a) 0

b) 1

c) natural number

d) not defined

Ans ( d)

Que 10

Degree of which polynomial is zero

a) x

b) 15

c) x+1

d) x^2+ 1

Ans ( b )

Que 11

If x^2+kx+6=(x+2)(x+3) then value of x is

a) 1

b) 3

c) 5

d ) 0

Ans (c)

Que 12

Zero of the polynomial cx+d is

a) (-d)

b) (-c)

c) (-d/c)

d) (-7)

Ans ( c)

Que 13

√2 is a polynomial of degree

a) 2

b) 0

c) 1

d) √2

Ans (b)

Que 14

(X)^51+51 is divided by x+1 ,the remainder is

a) 0

b) 1

c) 49

d) 50

Ans (d)

Que 15

The value of k is if (x+1) is a factor of (2x^2+kx )

a) (-3)

b) 4

c) 2

d) (-2)

Ans (c)

Que 1

The coordinates of the origin

a) (0,1)

b) (1,0)

c) (0,0)

d) (1,2)

b) (1,0)

c) (0,0)

d) (1,2)

Ans (c)

Que 2

The points (-5,2)and (2,-5) lie in the

a) same quadrant

b) in II quadrant

c) II and IV quadrant

d) on y axis

a) same quadrant

b) in II quadrant

c) II and IV quadrant

d) on y axis

Ans ( c)

Que 3

Point (0,7) lies

a) x axis

b) y axis

c) I quadrant

d) IV quadrant

b) y axis

c) I quadrant

d) IV quadrant

Ans (b)

Que 4

Point (7,0) lies

a) x axis

b) y axis

c) I quadrant

d) III quadrant

Point (7,0) lies

a) x axis

b) y axis

c) I quadrant

d) III quadrant

Ans (a)

Que 5

The point at which the two co-ordinate axes meet is called

a) abscissa

b) ordinate

c) origin

d) quadrant

The point at which the two co-ordinate axes meet is called

a) abscissa

b) ordinate

c) origin

d) quadrant

Ans (c)

Que 6

The perpendicular distance of the point P (3,4) from the y-axis

a) 3

b) 4

c). 5

d) 7

The perpendicular distance of the point P (3,4) from the y-axis

a) 3

b) 4

c). 5

d) 7

Ans (a)

Que 7

A point both of whose coordinate are negative will lie in the

a) I quadrant

b) II quadrant

c) III quadrant

d) IV quadrant

Ans (c)

Que 8

Points (1,-1),(-2,-2)(-3,3),(2,4) lie

a) I quadrant

b) II quadrant

c) IV quadrant

d) different quadrant

Ans (d)

Que 9

The points whose abscissa and ordinate have different sign will lie in

a) I and II quadrant

b) II and III quadrant

c) I and III quadrant

d) II and IV quadrant

The points whose abscissa and ordinate have different sign will lie in

a) I and II quadrant

b) II and III quadrant

c) I and III quadrant

d) II and IV quadrant

Ans ( d)

Que 10

If the coordinates of the two points P (-2,3) and Q ( -3,5) then abscissa of P -abscissa of Q is

a) -5

b) 1

c) -1

d) -2

Ans (b)

Number of lines passing through a point

( 3, 4)

a) one

b) two

c) three

d) infinite

Ans (d)

Que 2

Any point on the x-axis is of the form

a) (x,x)

b) (x,y)

c). ( 0,x)

d). ( x,0)

Ans ( d )

Que 3

Any point on the y axis is of form

a) (y,y)

b) (x,y)

c) ( 0,y)

d ) (y,0)

Ans (c)

Que 4

Linear equation in two variables how many solutions it has

a) one

b) two

c) infinite

d) not possible

Ans ( c )

Que 5

Which of the following is a solution of the equation 4x+3y=16

a) (2,3)

b) (1,4)

c) ( 3,2)

d). (4,1)

Ans (b)

Que 6

Which of the following lines passes through

(1,2)

a) x+y=3

b) x-y=0

c) x+2y = 0

d) 2x+y= 0

Ans. (a)

Que 7

The equation x= 4 represent the line

a) parallel to x axis

b) parallel to y axis

c) passes through origin

d) perpendicular to y axis

Ans (b)

Que 8

If (2,0) is solution of linear equation 2x+3y=k then the value of k is

a) 4

b) 6

c) 5

d) 2

Ans (a)

Que 9

The graph of y =mx is a straight line

a) parallel to x axis

b) parallel to y axis

c) passing through origin

d) coincides with x axis

Ans ( c)

Que 10

The point of the form (a,a) always lies on

a) x axis

b) y axis

c) on the line y=m x

d) on line x+y=0

Ans ( c )

Fri Dec 23, 2022

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sonikamansi@gmail.com

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