#### 9th Standard Maths English Medium Free Online Test Book Back 1 Mark Questions with Answer Key Part - 1

9th Standard

Reg.No. :
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Maths

Time : 00:10:00 Hrs
Total Marks : 10

Part A

10 x 1 = 10
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 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

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. x3 – x2 is a …………..

(a)

monomial

(b)

binomial

(c)

trinomial

(d)

constant polynomial

5. The exterior angle of a triangle is equal to the sum of two

(a)

Exterior angles

(b)

Interior opposite angles

(c)

Alternate angles

(d)

Interior angles

6. If the y-coordinate of a point is zero, then the point always lies ______

(a)

(b)

(c)

on x-axis

(d)

on y-axis

7. A particular observation which occurs maximum number of times in a given data is called its

(a)

Frequency

(b)

range

(c)

mode

(d)

Median.

8. The value of 2tan30° tan60° is

(a)

1

(b)

2

(c)

$2\sqrt { 3 }$

(d)

6

9. If the ratio of the sides of two cubes are 2:3, then ratio of their surface areas will be

(a)

4 : 6

(b)

4 : 9

(c)

6 : 9

(d)

16 : 36

10. If A is any event in S then its complement P(A′) is equal to

(a)

1

(b)

0

(c)

1-A

(d)

1-P(A)