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GRE Practice Test - Math - Ratio and Proportion
GRE Practice Test - Math - Ratio and Proportion
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GRE Practice Test - Math - Ratio and Proportion
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Coverage
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The GRE Practice Test - Math - Ratio and Proportion has been designed to test the important concepts related to ratio and proportion. The test covers important topics like finding, the ratio between two numbers, ratio of expenditure and saving, ratio of completion of work by two persons, finding mean proportional, finding the ratio of area of circles or triangles, ratio of perimeters etc.
1.
1.If 7A=4B, 2B=3C then A:C =
a.
2:5
b.
6:7
c.
15:8
d.
5:2
e.
5:2
2.
If A /B =1/4 then value of (4A+ 7B)/(6A+ 2B) =
a.
16/7
b.
9/12
c.
8/11
d.
11/8
e.
12/9
3.
Find A:B, if (2A+4B)/(2A-4B) =3/2
a.
3:7
b.
2:4
c.
3:2
d.
10:1
e.
1:2
4.
8.Descending order of 1:2, 2:5, 3:4 =
a.
1:2, 2:5, 3:4
b.
3:4, 1:2, 2:5
c.
1:2, 3:4, 2:5
d.
2:3, 3:2, 1:4
e.
1:1, 1:4, 4:3
5.
If x / y = 6 /4 then (x-y)/x*y =
a.
1/12
b.
12/1
c.
6/4
d.
4/6
e.
1/2
6.
If x / y = 1 / 2 then (2x+4y)/6xy =
a.
6/5
b.
5
c.
1
d.
-3
e.
5/6
7.
If the ratio between two numbers is 1:2 and their sum is 600.
a.
200,400
b.
300,600
c.
350,450
d.
100,200
e.
450,100
8.
A person takes 7 days to complete a job, working 4 hours a day and the other takes 3 days to complete a job, working 8 hours a day. What is the ratio of the time taken by the two?
a.
16/9
b.
20/7
c.
15/8
d.
7/6
e.
1/2
9.
Find the value of [(x+a)/(x-a)]+[(x+b)/(x-b)] if x=a/b
a.
a+b
b.
2(a^2+b^2+ab)/(a+b)
c.
(2+2b)/(1-b)
d.
a^2+b^2+ab
e.
2
10.
Working alone, A and B can do a certain job in 4 days and 6 days respectively. How long will they take if they work together?
a.
4days
b.
8days
c.
3days
d.
12/5days
e.
12days
11.
Jim and Carry can do a piece of work in 8 days and 16 days respectively. They start working together, but Jim quits 6 days before the job is done. In what time is the job completed?
a.
8days
b.
10days
c.
12days
d.
28/3days
e.
14days
12.
Tom alone can repair a bike in 12 hours while John and Petric can together repair it in 3 hours. If Tom works for 4 hours, how long will it take for John and Petric, together to complete the repairs?
a.
5hours
b.
2hours
c.
8hours
d.
3hours
e.
10hours
13.
Tom,John and Petric can each do a piece of work in 4 minutes, 7 minutes and 10 minutes respectively. Tom completes 1/2 the job and John completes 1/3. How long will Petric take to complete the remaining job?
a.
5/3minutes
b.
1/4minutes
c.
1/2minutes
d.
3minutes
e.
2minutes
14.
Gim is thrice as fast as Gery who is twice as fast as Vilson. Working together, they can complete a certain amout of work in 5 minutes. How long will Vilson take, if he works alone?
a.
10minutes
b.
40minutes
c.
80minutes
d.
30minutes
e.
25minutes
15.
Two persons together complete a piece of work in 4 days. If the first person works alone for 3 days and completes 1/3 of the work, in how many days can the other person alone, complete the rest of the work?
a.
24days
b.
24/7days
c.
5days
d.
20days
e.
None of the above
16.
Find out the mean propotional between 0.4 and 40.
a.
4
b.
8
c.
4.5
d.
40
e.
2
17.
Find out the mean propotional between 0.8 and 80.
a.
2
b.
1
c.
8
d.
6
e.
5
18.
Find out the ratio of perimeter, if the ratio of areas of two squares is 64:25.
a.
1:2
b.
3:4
c.
6:8
d.
64:25
e.
8:5
19.
A person can set 200 tiles in one day. Two men were engaged for 8 days to set the floorwith tiles completely. Find out the area of the floor if area of each tile is (2^1*3/4^1).
a.
800 sq.ft
b.
8000sq.ft
c.
2000sq.ft
d.
4800sq.ft
e.
4000sq.ft
20.
A person can set 280 tiles in one day. Four men were engaged for 4 days, to set the floor with tiles completely. Find out the area of the floor if area of each tile is (2^1*3/4^1).
a.
6720sq.ft
b.
672sq.ft
c.
6000sq.ft
d.
7200sq.ft
e.
2000sq.ft
21.
If 1/3 of piece of work is completed by A in 3 days and the rest is completed by B. Find out in how many days can rest of the work be completed.
a.
2days
b.
3days
c.
4days
d.
7days
e.
6days
22.
Rocky is 8/7 times as fast as B. If they take 28/9 hours to complete a piece of work together, how long will B take to complete, if he works alone?
a.
4days
b.
7days
c.
35/6days
d.
6days
e.
2days
23.
If 1/4 of a piece of work is completed by B in 4 days, and the rest is completed by B. Find out in how many days can rest of the work be completed.
a.
10days
b.
5days
c.
6days
d.
8days
e.
12days
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By: xyz on Dec 1, 2010
good practice
By: Brittany on Jan 28, 2009
It was a very good tests
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