Aptitude · all questions

Percentage
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Q541

If the numerator of a fraction is increased by 60% and the denominator is increased by 40%, then resultant fraction is

\frac{16}{63} .

The original fraction is:

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Q542

In an examination, B obtained 20%, more marks than those obtained by A, and A obtained 10% less marks than those obtained by C. D obtained 20% marks than those obtained by C. By what percentage are the marks obtained by D more than those obtained by A?

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Q543

Kavita's attendance in her school for the academic session 2018-2019 was 216 days. On computing her attendance, it was observed that her attendance was 90%. The total working days of the school were:

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Q544

In an examination, 92% of the students passed and 480 students failed. If so, how many students appeared in the examination?

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Q545

Sachin scored 120 runs, which included 6 boundaries and 4 sixes. What percentage of his total score did he make by running between the wickets?

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Q546

Renu saves 20% of her income. If her expenditure increase by 20% and income increase by 29%, then her saving increase by:

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Q547

If the radius of a cylinder is decreased by 20% and the height is increased by 20% to form a new cylinder, then the volume will be decreased by:

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Q548

The sum of the number of male and female students in an institute is 100. If the number of male students is x, then the number of female students becomes x% of the total number of students. Find the number of male students.

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Q549

If 91% of A is 39% of B, and B is x% of A, then the value of x is:

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Q550

The reduction of 20% in the price of rice enables a person to obtain 50 kg more for Rs. 450. Find the original price of rice per kg.

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Q551

If (x + 20)% of 250 is 25% more than x% of 220, then 10% of (x + 50) is what percent less than 15% of x?

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Q552

The ratio of expenditure to savings of a woman is 5 : 1. If her income and expenditure are increased by 10% and 20%, respectively, then find the percentage change in her savings.

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Q553

A is 80% more than B and C is

48 \frac{4}{7} %

less than the sum of A and B. By what percent is C less than A?

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Q554

Rohit's income is Rs. 32000. If his expenses is 30 percent of total income, then what will be the saving of Rohit?

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Q555

The price of petrol shot up by 5%. Before the hike, the price was Rs. 82 per litre. A man travels 3045 km every month and his car gives a mileage of 15 km per litre. What is the increase in the monthly expenditure (to the nearest Rs.) on the man's travel due to the hike in the petrol prices?

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Q556

If each edge of a cube is increased by 10% then the percentage increase in its surface area is:

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Q557

If the numerator of a fraction is increased by 15% and denominator is decreased by 20%, then the fraction, so obtained, is

\frac{17}{65} .

What is the original fraction?

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Q558

In a two-candidate election, 10% of the voters did not cast their ballots. 10% of the votes cast were found invalid. The winning candidate received 54% of the valid votes and a 1620-vote majority. Find the number of people on the voter list who have registered to vote.

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Q559

If the sum of 40% of a number and 30% of the same number is 70, then the number is:

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Q560

Two candidates P and Q contested in an election. 70% of the registered voters are P supporters. If 60% of the P supporters and 30% of the Q supporters are expected to vote for candidate P, then what percentage of the registered voters are expected to vote for candidate P?

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