# Practice Test: Ratio, Proportion And Unitary Method! Math Trivia Quiz

30 Questions | Total Attempts: 176  Settings  This math quiz is a practice test for ratio, proportion and unitary method! It is perfect for anyone who has been having a hard time when it comes to solving math problems just like this. Do give it a try and keep a look out for other quizzes too so as to perfect your skills or prepare for any exam you may have on these questions.

• 1.
Express the ration of 3 ft. to 18 in. in lowest terms.
• A.

6 : 1

• B.

1 : 6

• C.

1 : 2

• D.

2 : 1

• 2.
Express the ratio 9 gal  to 27 pt is .........
• A.

8 : 3

• B.

3 : 8

• C.

1 : 3

• D.

3 : 1

• 3.
• A.

X and n

• B.

X and m

• C.

Y and m

• D.

Y and n

• 4.
A large gear with 14 teeth rotates at 40 rpm. It turns a small gear with 8 teeth. How fast does the small gear rotate?
• A.

100 rpm

• B.

80 rpm

• C.

60 rpm

• D.

70 rpm

• 5.
A small pulley 8 in. in diameter turns at 300 rpm. A large pulley turns at 48 rpm. What is the diameter of the large pulley? ​​​
• A.

50 in.

• B.

15 in.

• C.

55  in.

• D.

60 in.

• 6.
• A.

2

• B.

6

• C.

9

• D.

3

• 7.
Find the effort  E in the lever below:
• A.

600 lb

• B.

300 lb

• C.

48 lb

• D.

96 lb

• 8.
Solve the system of equations: x     =   2 y   3 x   +  y     =   21
• A.

(x,y) =( 6 , 3 )

• B.

(x,y) =( - 6 , 3 )

• C.

(x,y) =( 3 , 6 )

• D.

(x,y) =( - 3 , 6 )

• 9.
Solve the system of equations :                               4x  + 2 y       =  12 3x  -  2y   =  16
• A.

(x , y ) = ( - 2 , 4 )

• B.

(x , y ) = ( 2 , - 4 )

• C.

(x , y ) = (-  4 , - 2 )

• D.

(x , y ) = ( 4 , - 2 )

• 10.
The solution set for the linear equation   3 x   -   5 y   =   7   is :
• A.

( x , y ) = ( 3 , 5 )

• B.

( x , y ) = ( 4 , 1 )

• C.

( x , y ) = ( 1 , 4 )

• D.

( x , y ) = ( 5 , 3 )

• 11.
The solution set for the linear equation : 3 x     +     y  =  15
• A.

( x , y ) = ( 8 , 2 )

• B.

( x , y ) = ( 1 , - 12 )

• C.

( x , y ) = ( 4 , 3 )

• D.

( x , y ) = ( 4 , 3 )

• 12.
• A.
• B.
• C.
• D.
• 13.
• A.

44

• B.

8

• C.

12

• D.

- 34

• 14.
Solve for  x :  - 0.72 x     = 3.6
• A.

X = 4.32

• B.

X = 2.88

• C.

X = - 5.0

• D.

X = 2.59

• 15.
Solve for a   :   2 a – 4(a – 2)  =   2
• A.

A = 3

• B.

A = -3

• C.

A = 5

• D.

A = - 5

• 16.
• A.
• B.
• C.
• D.
• 17.
The area of the below triangle is :
• A.

96 cm2

• B.

54 cm2

• C.

60 cm2

• D.

48 cm2

• 18.
A rectangular room 12 m long and 8 m wide is to be CARPETED. Find the total cost if 1 sq. m costs SAR 15.
• A.

SAR 1440

• B.

SAR 600

• C.

SAR 300

• D.

SAR 3240

• 19.
Find the area of the below trapezoid.
• A.

320 m2

• B.

160 m2

• C.

88 m2

• D.

1176 m2

• 20.
A square room 15 m long is to be FENCED. The cost of 1 m of the fence material is SAR 10. Find the total cost.
• A.

SAR 150

• B.

300 SAR

• C.

SAR 600

• D.

SAR 2250

• 21.
Find the circumference of a circle with radius 10 m (𝜋 = 3.14)
• A.

62.8 m

• B.

31.4 m

• C.

78.5 m

• D.

314 m

• 22.
The circumference of a circle is 125.6 m. Find its radius (𝜋 = 3.14)
• A.

40 m

• B.

20 m

• C.

62.8 m

• D.

19.2 m

• 23.
The area of a circle is 1256 sq. in. find its radius. (𝜋 = 3.14)
• A.

200 in.

• B.

400 in.

• C.

40 in.

• D.

20 in.

• 24.
A rectangular prism is 7 m long, 5 m wide and 4 m. high. Its total surface area is:                         ( total surface area = Perimeter of base x height  + 2 base area)
• A.

140 m2

• B.

166 m2

• C.

70 m2

• D.

96 m2

• 25.
A cubical tank is 15 ft long. Find its total surface area.                         ( total surface area = Perimeter of base x height  + 2 base area)
• A.

360 ft2

• B.

225 ft2

• C.

1350 ft2

• D.

90 ft2

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