# 9th Grade Mathematics Combined Counseling Test

12 Questions | Total Attempts: 155  Settings  • 1.
Person A has some oranges.By adding 5/3 of these oranges to the original number,the total becomes 80.How many oranges person A has?
• A.

30

• B.

40

• C.

50

• D.

60

• 2.
For what value of x,the ratio 3+x:2+4x is equal to the ratio 2:3
• A.

-2

• B.

-1

• C.

0

• D.

1

• 3.
If mean of data x,x+1,x+3,x+6 is 15/2,then value of x is
• A.

3

• B.

4

• C.

5

• D.

6

• 4.
A,B,C are 3 angles of a triangle.If A-B=25 &B-C=10,then angle B is
• A.

60

• B.

45

• C.

55

• D.

40

• 5.
Acceleration due to gravity, as we move up from the Earth's Surface-
• A.

Decreases

• B.

Increases

• C.

No effect

• D.

First increases and then decreases

• 6.
Light Year is a measuring unit of
• A.

Time

• B.

Distance

• C.

Speed

• D.

Energy

• 7.
Isobars have same
• A.

Mass no.

• B.

Atomic no.

• C.

Neutrons

• D.

None of above

• 8.
Rain is hitting vertically to a man at a speed of 3m/s when he is at rest. When he moves at a speed of  4m/s then relative velocity is-
• A.

3m/s

• B.

4m/s

• C.

5m/s

• D.

0m/s

• 9.
4.4gm of COhas following no. of atoms
• A.

• B.

• C.

• D.

• 10.
Which one is having the largest wavelength
• A.

Voilet

• B.

Green

• C.

Red

• D.

Infra red rays

• 11.
Fill in the blank of the series- 1, 3/5, 2/5, 5/17, __ .
• A.

4/10

• B.

7/37

• C.

3/13

• D.

6/17

• 12.
DNA has following base pairs
• A.

A with T and C with G

• B.

A with G and C with T

• C.

A with U and C with G

• D.

A with T and C with U

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