Aptitude · all questions

Percentage
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Q181

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 ?

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Q182

In an examination there were 640 boys and 360 girls, 60% of boys and 80% of were successful. The percentage of failure was :

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Q183

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 :

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Q184

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 :

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Q185

Each side of a rectangular field is diminished by 40%. By how much percent is the area of the field diminished ?

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Q186

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 ?

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Q187

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 ?

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Q188

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 :

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Q189

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 :

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Q190

The cost of an article worth Rs. 100 is increased by 10% first and again increased by 10%. The total increase in rupees is :

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Q191

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 :

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Q192

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 :

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Q193

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 :

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Q194

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 :

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Q195

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 :

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Q196

The average marks obtained in a class of 50 students is 70%. The average of first 25 is 60% and that of 24 is 80%. What is the mark obtained by the last student ?

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Q197

If 50% of (P - Q) = 30% of (P + Q) and Q = x% of P, then the value of x is :

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Q198

If x% of a is the same as y% of b, then z% of b will be :

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Q199

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 :

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Q200

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 ?

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