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Quiz 2
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Q.1
If x% of a is the same as y% of b, then z% of b will be :
$$\frac{yz}{x}$$% of a
$$\frac{zx}{y}$$% of a
$$\frac{xy}{z}$$% of a
$$\frac{y}{z}$$% of a
Q.2
A candidate who gets 20% marks in a examination fails by 30 marks but another candidate who gets 32% gets 42 marks more than the pass marks. Then the percentage of pass marks is :
52%
50%
33%
25%
Q.3
A man gives 50% of his money to his son and 30% to his daughter. 80% of the rest is donate to a trust. If he is left with 16000 now, how much money did he have in the beginning ?
Rs. 400000
Rs. 40000
Rs. 90000
Rs. 80000
Q.4
A and B are two fixed points 5 cm apart and C is a point an AB such that AC is 3 cm. If the length of AC is increased by 6%, the length CB is decreased by :
6%
7%
8%
9%
Q.5
31% of employees pay tax in the year 2008. Non-tax paying employees are 20700. The total number of employees is :
31160
64750
30000
66775
Q.6
In an assembly election, a candidate got 55% of the total valid votes. 2% of the total votes were declared invalid. If the total number of voters is 104000, then the number of valid votes polled in favour of the candidate is :
56506
56650
56560
56056
Q.7
25% of the candidates who appeared in an examination failed and only 450 students qualify the exam. The number of students who appeared in the examination was :
700
600
550
500
Q.8
There is a ratio of 5 : 4 between two numbers. If 40% of the first number is 12, then what would be 50% of the second number ?
12
24
18
Data Inadequate
Q.9
The ratio of number of boys and girls in a school 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1 ?
90
120
220
240
Q.10
75 gm of sugar solution has 30% sugar in it. Then the quantity of sugar that should be added to the solution to make the quantity of the sugar 70% in the solution is :
125 gm
100 gm
120 gm
130 gm
Q.11
The ratio of the number of boys and girls in school at 8 : 12. If 50% of boys and 25% of girls are getting scholarship for their studies, what is the percentage of school students who are not getting any scholarships ?
65%
66%
67%
68%
Q.12
In an examination there were 640 boys and 360 girls, 60% of boys and 80% of were successful. The percentage of failure was :
20%
60%
30.5%
32.8%
Q.13
In an examination, 1100 boys and 900 girls appeared, 50% of the boys and 40% of the girls passed the examination. The percentage of candidates who failed :
45%
45.5%
50%
54.5%
Q.14
On a certain date, Pakistan has a success rate of 60% against India in all the ODI's played between the two countries. The lost the next 30 ODI's. In a row to India and their success rate comes down to 30%. The total number of ODI's played between the two countries is :
50
45
60
30
Q.15
A person who spends $$66\frac{2}{3}$$% of his income is able to save Rs. 1200 per month. His monthly expenses (in Rs.) is :
1200
2400
3000
3200
Q.16
In an election between two candidates, 75% of the voters cast their votes, out of which 2% votes were declared invalid. A candidate got 9261 votes which were 75% of the valid votes. The total number of voters enrolled in that election was :
16000
16400
16800
18000
Q.17
1 litre of water is added to 5 litres of alcohol-water solution containing 40% alcohol strength. The strength of alcohol in the new solution will be :
30%
33%
$$33\frac{2}{3}$$%
$$33\frac{1}{3}$$%
Q.18
The number that is to be added to 10% of 320 to have the sum as 30% of 230 is :
37
32
23
73
Q.19
25% of 120 + 40% of 380 = ? of 637
$$\frac{2}{7}$$
$$\frac{1}{7}$$
$$\frac{4}{7}$$
$$\frac{3}{7}$$
Q.20
A number, on subtracting 15 from it reduces to its 80%. What is 40% of the number ?
75
60
30
90
Q.21
In an election there were only two candidates. One of the candidate secured 40% of votes and is defeated by the other candidate by 298 votes. The total number of votes polled is :
745
1460
1490
1500
Q.22
When the price of an article was reduce by 20%, its sale increased by 80%. What was the net effect on the sale ?
44% increase
44% decrease
66% increase
75% increase
Q.23
In an examination, 34% failed in Mathematics and 42% failed in English. If 20% failed in both the subjects, the percentage of students who passed in both subjects was :
54%
50%
44%
56%
Q.24
Christy donated 10% of his income to an orphanage and deposited 20% of the remainder in his bank. If he has now Rs. 7200 left, what is his income :
Rs. 10000
Rs. 8000
Rs. 9000
Rs. 8500
Q.25
The cost of an article worth Rs. 100 is increased by 10% first and again increased by 10%. The total increase in rupees is :
20
21
110
121
Q.26
The price of an article was first increased by 10% and then again by 20%. If the last increased price was Rs. 33, the original price was :
Rs. 30
Rs. 27.50
Rs. 26.50
Rs. 25
Q.27
The price of a commodity rises from Rs. 6 per kg to Rs. 7.50 per kg. If the expenditure cannot increase, the percentage of reduction in consumption is :
15%
20%
25%
30%
Q.28
One-fifth of half of a number is 20. Then 20% of that number is :
80
60
20
40
Q.29
In a class, the number of girls is 20% more than that of the boys. The strength of the class is 66. If 4 more girls are admitted to the class, the ratio of the number of boys to that of the girls is :
1 : 2
3 : 4
1 : 4
3 : 5
Q.30
If P% of P is 36, then P is equal to :
3600
600
60
15
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