9th GRADE MATH PRACTICE TEST

Problem 1 :

Find the value of a2 if the value of a is

Solution

Problem 2 :

If the length of the sides of a triangle are 11 cm, 60 cm and 61 cm, find the area of the triangle

Solution

Problem 3 :

At a gathering of  30 people, there are 20 people who all know each other and 10  people who know no one. People who know each other hug, and people who do not know each other shake hands. How many handshakes occur within the group ?

Solution

Problem 4 :

Simplify log327 + log3729 

Solution

Problem 5 :

If A and B be two sets. If every elements of A is also an element of B, then A is called a ____________ of B.

Solution

Problem 6 :

If A = { 1, 2, 3, 4, 5, 6 } and B = { 1, 3, 7 } then the value of A-B ?

Solution

Problem 7 :

Find the product of (x+3) (x+5)

Solution

Problem 8 :

If 2a - 3b = 2 and ab = 6 then 8a3 - 27b3

Solution

Problem 9 :

A pair of angles with a common vertex and common arm are called _________.

Solution

Problem 10 :

Find in which quadrant does the point (-2,-3) lie?

Solution

Answers

1.  17+12√2

2.  330 Square cm  

3.  45

4.  9  

5.  Subset  

6.  {2, 4, 5, 6} 

7.   x2 + 8x + 15  

8.   224

9.   Adjacent angles  

10.  III 

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