# Tejaswi High School, Erragattu Hasanparthy

42 Questions | Total Attempts: 19

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PERIODIC TEST--I (2020-2021) CLASS:IX MATHEMATICS MARKS:20 TIME:90MIN

• 1.
Every point on the number line corresponds to a
• A.

Real number

• B.

Rational number

• C.

Irrational number

• D.

Natural number

• E.

Option 5

• 2.
The p/q form of 0.47777..... is
• A.

47/100

• B.

47/90

• C.

43/99

• D.

43/90

• 3.
The rational number between 3 and 4 iis
• A.

3.5

• B.

3/2

• C.

2.5

• D.

5/2

• 4.
If x+ 1/x2 =27 thenthe value of x- 1/x is
• A.

5

• B.

6

• C.

10

• D.

11

• 5.
If 10=64 then 10​​x/2+1=
• A.

60

• B.

70

• C.

80

• D.

90

• 6.
The value of (256)0.16 ×(256)0.09 =
• A.

4

• B.

8

• C.

16

• D.

32

• 7.
The degree of the zero polynomial is
• A.

0

• B.

1

• C.

Not defined

• D.

2

• 8.
The value of (28)3+(-15)3 +(-13)3 =
• A.

16300

• B.

16340

• C.

16380

• D.

16390

• 9.
The degree of the polynomial  5 is
• A.

0

• B.

1

• C.

2

• D.

3

• 10.
x2020 +2020 is divided by(x+1),the remainder is
• A.

0

• B.

2020

• C.

2021

• D.

2022

• 11.
f(x) be a polynomial  such that f(-1/2)=0then a factor of f(x) is
• A.

2x-1

• B.

2x+1

• C.

X-1

• D.

X+1

• 12.
A polynomial  of degree two is called as
• A.

Linear polynomial

• B.

Cubic polynomial

• C.

• D.

Zero polynomial

• 13.
One factor of x4+x2-20 is(x2+5) the other factor is
• A.

X2-4

• B.

X-4

• C.

X2-5

• D.

X+4

• 14.
Who introduced Arithmetic onto  mathematics
• A.

Newton

• B.

Fisher

• C.

Rhenodecartes

• D.

Archimedes

• 15.
Surds are denoted by
• A.

R

• B.

Q

• C.

Q/

• D.

N

• 16.
Which of the following is an irrational number
• A.

√4/9

• B.

√5

• C.

4/5

• D.

5

• 17.
(2√3-√3-3√3+√12) is equal to
• A.

(2√3)

• B.

6√3

• C.

0

• D.

4√3

• 18.
If √2=1.414 then the value of √18 is
• A.

4.242

• B.

4.243

• C.

4.241

• D.

4.244

• 19.
The product of(2√2 +√3) (2√2-√3) is
• A.

4

• B.

5

• C.

6

• D.

7

• 20.
If x=2+√3 then the value of x+1/x is
• A.

1

• B.

2

• C.

3

• D.

4

• 21.
If a+b=7 and ab=12 then the value of a3+b3 is
• A.

90

• B.

100

• C.

91

• D.

101

• 22.
If √3-1/√3+1=a+b√3 thenthe value of a is
• A.

1

• B.

3

• C.

2

• D.

4

• 23.
The simplest rationalising factor of √50 is
• A.

√2

• B.

√3

• C.

√5

• D.

2

• 24.
25) If √3= 1.732 then the value of √12 - 2 is
• A.

O.732

• B.

0.464

• C.

1.464

• D.

2.564

• 25.
26)The value of(5(81/3+271/3) )1/4 is
• A.

5

• B.

6

• C.

7

• D.

8

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