CBSE - IX

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CBSE - IX Maths Solved Questions

Question 1

If 1 then the values of 2  is ____.
A) 1
B) 2
C) 3
D) 4

Question 2

If the polynomial 8  is divided by 10 then the remainder is ____.
A) 28
B) 1
C) 7
D) 20

Question 3

The correct representation of locating the points (2, 3), (-4, 5), (-5, -6) and (3, -5) on the graph paper is ____.
A)
17

B)
18

C)
19

D)
20

 

Question 4

On comparing 2x = y with ax + by + c = 0. The values of a, b and c are ____.
A) 1, 3 and 0
B) 2, -1 and 0
C) -1, 0 and 2
D) 2, 5 and -2

Question 5

The measure of an angle which is 32o less than its supplement is ____.
A) 72o
B) 74o
C) 75o
D) 78o

Question 6

In the figure below, OA and OB are opposite rays, then 21 ____.

22

 A) 50o
B) 90o
C) 30o
D) 60o

Question 7

In the figure below, ABC and DEF are two triangles in which AB = DF. If ∠ACB = 70, ∠ABC = 50, ∠DEF = 70 and ∠EDF = 60. Then the congruence condition of the two triangles are ____.

24

A) SSS
B) RHS
C) AAS
D) SAS

Question 8

There are 12 packets of salt, each marked 2 kg. Actually each packet contains the following weights (in kg) of salt:
1.950, 2.020, 2.060, 1.980, 2.030, 1.970, 2.040, 1.990, 1.985, 2.025, 2.000 and 1.980.

Out of these packets, one packet is chosen at random. The probability that a packet contains more than 2 kg of salt is ____.

A) 31
B) 32
C) 33
D) 34

Question 9

The weights of newly born babies (in kg) in a hospital on a particular day are as follows:
2.3, 2.2, 2.7, 3.1, 2.9, 2.8, 3.0 and 2.4

The range of the weights is ____.

A) 0.7 kg
B) 0.8 kg
C) 1 kg
D) 0.9 kg

Question 10

The volume of an iron sphere is 37  The sphere is melted and drawn into a long wire of uniform circular cross section. If the length of the wire is 38  then the radius of the wire is ____.
A) 1 cm
B) 3 cm
C) 2 cm
D) 5 cm

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