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Percentage Ratio and Proportion
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Let's practice 30 mcqs on
Percentage Ratio and Proportion
mcqs by everyone
Ratio of 10 dollars each to 84 dollars per dozen is
5 : 42
8 : 7
42 : 5
7 : 8
If 2 ratios a : b and c : d are equal then we can write it as
a : b = c : d
A + B = C + D
a : c = d : b
a : b⁄c : d
In a : b = c : d, b and c are called
consequent
Mean
antecedent
extreme
Ratio of a and b should be written as
b + a
b : a
a + b
a : b
Percentage form of 0.9 is
0.009
0.09
0.9
0.19
Symbolically proportion of a, b, c, d is written as
a + b :: c + d
a - b = c - d
A + B = C + D
a : b :: c : d
Decimal form of 5% up to 3 decimals is
5
0.005
0.05
0.5
Decimal form of 35% is
0.35
35
0.035
3.5
Ali spends $30 everyday, but on Sunday, he spends $10only.
ratio of amount spent on Sunday to everyday should be
3 : 5
3 : 1
1 : 3
2 : 1
In ratio a : b, second term b is called
extreme
Mean
consequent
antecedent
Types of proportions are
1
2
3
4
If a cricket team wins 5 matches and losses 7, then ratio of games won to lost is
5 : 7
5 + 7
7 − 5
7
If there are 500 Computers in an outlet and 60% of them are P1, number of P1 are
200
250
350
300
In ratio a : b, first term a is called
extreme
consequent
Mean
antecedent
Relationship between 2 or more proportions is known as
joint proportion
inverse proportion
Compound proportion
extreme proportion
If 73% of students have science book, what percentage of students do not have science book
0.4
0.27
0.5
0.23
Percentage form of 0.039 is
0.39
3.9
0.039
0.0039
In what ratio 50 m² be decreased to 25 m²
2 : 1
1 : 5
5 : 3
1 : 2
If 2 ratios a:b and c:d are equal then we can write it as
a : b = c : d
A + B = C + D
a : c = d : b
a : b⁄c : d
Unit of ratio is
it has no unit
Inches
radians
cm
A shoe costs a cobbler $400.
He sells it for $520.
What percentage of profit did he earn
0.25
0.35
0.3
0.45
We can write 27 1⁄2% as a fraction in lowest form as
30⁄100
27⁄100
25⁄100
55⁄100
6 carpenters make a cupboard in 12days.
If 2 more carpenters are added, They will make cupboard in
8 days
9 days
10 days
11 days
If a line segment intersects two sides of a triangle in same ratio, then it is
parallel to the 3rd side
equal to the 3rd side
None of above
smaller than the 2nd side
There are 480 students in a school, 210 out of them are boys, ratio of girls to boys is
9 : 7
7 : 3
7 : 9
5 : 11
Ratio of 2km to 600m should be
2 : 3
2 : 7
10 : 7
10 : 3
If 3⁄4 of employees in an office have ca$How many in every 100 have a car
0.75
0.3
0.5
0.45
Percent means out of
thousand
hundred
Ten
One
Price of 20 books is $1000.
price of 45 such books should be
4540
1750
1500
2250
Ratio of 1400km to 1000 km is
10 : 5
7 : 1
5 : 7
7 : 5
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