Aptitude · all questions

Percentage
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Q361

Income tax is raised from 4 paise to 5 paise in a rupee but the revenue is increased by 10% only. Find the decrease percent in the amount taxed.

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Q362

The population of a town is 189000. It decreases by 8% in the first year and increases by 5% in the second year. What is the population of the town at the end of 2 year ?

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Q363

Two vessels contain equal quantities of 40% alcohol. Sachin changed the concentration of the first vessel to 50% by adding extra quantity of pure alcohol. Vivek changed the concentration of the second vessel to 50% replacing a certain quantity of the solution with pure alcohol. By what percentage is the quantity of alcohol added by Sachin more/less than that replaced by Vivek ?

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Q364

Nandini Basu bought an article for Rs. 5844. She gave Rs. 156 to a mechanic to remove its defect. She then sold it for Rs. 5700. What was her loss percent ?

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Q365

Rajeev buy goods worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sale tax @ 10%. Find the amount he will have to pay for the goods ?

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Q366

In a year, a man manages to sell only 65% of the chicken he owns. How many chicken should the man own to sell 47775 chicken in a years ?

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Q367

When 125 is subtracted from a number, it reduces to its 37.5 percent. What is 25 percent of that number ?

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Q368

In an examination it is required to get 40% of the aggregate marks to pass. A student get 261 marks and is declared failed by 4% marks. What are the maximum aggregate marks a student can get ?

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Q369

If x% of y is the same as

\frac{4}{5}

of 80, then the value of xy is :

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Q370

The contents of a certain box consist of 14 apples and 23 oranges. How many oranges must be removed from the box so that 70% of the pieces of fruit in the box will be apples ?

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Q371

If x% of 500 = y% of 300 and x% of y% of 200 = 60, then x = ?

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Q372

In a city, 35% of the population is composed of migrants, 20% of whom are from rural areas. Of the local population, 48% is female while this figure for rural and urban migrants is 30% and 40% respectively. What percentage of the total population comprises of females ?

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Q373

A person speeds 75% of his income. If his income increase by 20% and expenses increase by 15%, his saving will increase by :

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Q374

The population of a town is 1771561. If it had been increasing at 10% per annum, its population 6 years ago was :

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Q375

In some quantity of ghee, 60% is pure ghee and 40% is vanaspati. If 10 kg pure ghee is added, then the strength of vanaspati ghee becomes 20%. The original quantity was :

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Q376

In a graduate class of 200, 40% are women and

\frac{1}{5}

become lecturers. If the number of men who become lecturers is twice that of women, calculate approximate percentage of men who became lecturers.

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Q377

Nagaraj could save 10% of his income. But 2 years later, when his income increased by 20%, he could save the same amount only as before. By how much percentage has his expenditure increased ?

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Q378

6 c.c. of a 20% solution of alcohol in water is mixed with 4 c.c. of a 60% solution of alcohol in water. The alcoholic strength of the mixture is?

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Q379

A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transaction ?

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Q380

If Rs. 2800 is

\frac{2}{7}

percent of the value of a house, the worth of the house (in Rs.) is :

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