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- 1. Multiple Choice
What type of proportion does the table represent?
Direct
Inverse
I dont' know
- 2. Multiple Choice
g is directly proportional to b
Given g=20 when b=4.
Find g when b=7
35
5
15
23
- 3. Multiple Choice
t is directly proportional to n2.
Given t=144 when n=6.
Find the equation for t and n.
t = 4n2
t = 4n
t = 24n
t = 6n2
- 4. Multiple Choice
t is inversely proportional to v
t=2 when v=6
Find the equation for t and v
t = 12/v
t = 1/3 v
t = 3/v
t = 12v
- 5. Multiple Choice
48 men were deployed to construct a bridge in 30 days.
How many days does it take for 8 men to construct the same bridge?
5
10
180
200
- 6. Multiple Choice
If ‘A’ can finish a work in ‘n’ days then part of work If ‘A’ can finish a work in ‘n’ days then part of work finished in 1 day is
in 1 day is
1 – n
1/n
n – 1
none of these
- 7. Multiple Choice
Which of the following is a case of inverse variation?
time taken for a journey and distance covered with a uniform speed
population increased in a fixed area, then per person area is decreased
area of cultivated land and the crops harvested
cost of cloth and quantity of cloth purchased.
- 8. Multiple Choice
The number of teeth and the age of a person vary
directly with each other
inversely with each other
neither directly nor inversely with each other
sometimes directly and sometimes inversely with each other.
- 9. Multiple Choice
Both x and y vary inversely with each other. When x is 10, y is 6, which of the following is not a possible pair of corresponding values of x and y?
12 and 5
15 and 4
25 and 2.4
45 and 1.3
- 10. Multiple Choice
The scale of a map is 1: 2,00,00,000. If two cities are 6cm apart on the map, then the actual distance between them is
200km
600km
120km
1200km
- 11. Multiple Choice
A truck runs at the speed of 36km/hr. How far does it go in 12 seconds?
300m
72m
100m
120m
- 12. Multiple Choice
Meenakshi cycles to her school at an average speed of 12km/h and takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, her average speed should be
20/3 km/h
16km/h
20km/h
15km/h
- 13. Multiple Choice
A garrison of 500 men has provisions for 24 days. However, a reinforcement of 300 men arrived. The food will now last for
15 days
16 days
17.5 days
18 days
- 14. Fill in the Blank
The perimeter of a circle and its diameter vary -----------with each other.
- 15. Fill in the Blank
As the number of workers increase, the job will take less time to complete is ---------
- 16. Multiple Choice
If q is inversely proportional to p2 and q=3 when p=5, find an equation connecting p and q.
- 17. Multiple Choice
The amount of money earned on a job is directly proportional to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?
$ 2
$ 1.57
$ 308
$ 265
- 18. Multiple Choice
Is the given table a direct variation? If so, what is the constant of proportionality?
Yes; 1/4
Yes; 4
Yes; 1/2
No
- 19. Multiple Choice
Is this a direct proportion?
y=2x
Yes
No
- 20. Multiple Choice
What kind of equation is this?
xy = 18
Linear equation
Direct proportion
Inverse proportion
Joint variation
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