#### 9th Standard Maths English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Two

9th Standard

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Maths

Time : 00:15:00 Hrs
Total Marks : 15

Part A

15 x 1 = 15
1. If U ={x | x ∈ N, x < 10} and A = {x | x ∈ N, 2 ≤ x < 6} then (A′)′ is

(a)

{1, 6, 7, 8, 9}

(b)

{1, 2, 3, 4}

(c)

{2, 3, 4, 5}

(d)

{ }

2. The set of (A U B) - (A ก B) is ____________

(a)

(AUB)'

(b)

AΔB

(c)

(A∩B)'

(d)

A'UB'

3. if $\frac { 1 }{ 7 }$ = $0.\bar { 142857 }$ then the value of $\frac { 5 }{ 7 }$

(a)

$0.\overline { 142857 }$

(b)

$0.\overline { 714285 }$

(c)

$0.\overline { 571428 }$

(d)

0.714285

4. The product of $2\sqrt { 5 }$ and $6\sqrt { 5 }$ is_______________.

(a)

$12\sqrt { 5 }$

(b)

60

(c)

40

(d)

$8\sqrt { 5 }$

5. The remainder when p(x) = x3 – ax2 + 6x – a is divided by (x – a) is

(a)

–5a

(b)

$\frac {1}{5}$

(c)

5

(d)

5a

6. The degree of the polynomial $\sqrt { 2 } { x }^{ 2 }-\frac { 7 }{ 2 } { x }^{ 4 }+x-5x^{ 3 }\quad is$_____________________

(a)

2

(b)

3

(c)

4

(d)

5

7. Which of the following statement is correct?

(a)

Opposite angles of a parallelogram are not equal.

(b)

Adjacent angles of a parallelogram are complementary.

(c)

Diagonals of a parallelogram are always equal.

(d)

Both pairs of opposite sides of a parallelogram are always equal.

8. Orthocentre of a triangle is the point of concurrency of _______

(a)

medians

(b)

altitudes

(c)

angle bisectors

(d)

perpendicular bisectors of side

9. The distance between the two points ( 2, 3 ) and ( 1, 4 ) is ______

(a)

2

(b)

$\sqrt { 56 }$

(c)

$\sqrt { 10 }$

(d)

$\sqrt { 2 }$

10. The point whose abscissa is 5 and lies on the x-axis is__________

(a)

(-5, 0)

(b)

(5,5)

(c)

(0,5)

(d)

(5,0)

11. For which set of numbers do the mean, median and mode all have the same values?

(a)

2,2,2,4

(b)

1,3,3,3,5

(c)

1,1,2,5,6

(d)

1,1,2,1,5

12. The mean of 5,9,x,17,and 21 is 13,then find the value of x

(a)

9

(b)

13

(c)

17

(d)

21

13. If cos A = $\frac { 3 }{ 5 }$, them the value of tan A is

(a)

$\frac { 4 }{ 5 }$

(b)

$\frac { 3 }{ 4 }$

(c)

$\frac { 5 }{ 3 }$

(d)

$\frac { 4 }{ 3 }$

14. If the lateral surface area of a cube is 600 cm2, then the total surface area is

(a)

150 cm2

(b)

400 cm2

(c)

900 cm2

(d)

1350 cm2

15. The probability of an event cannot be

(a)

Equal to zero

(b)

Greater than zero

(c)

Equal to one

(d)

Less than zero