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Percentage

Description: MCQ
Number of Questions: 16
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Tags: ppercentage Bank PO/SO/Clerical Percentages Numerical Ability Quantitative Aptitude Area Profit & Loss
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The population of a city in year 2011 was 14,00,000. A 20% and 30% increase was observed in the following years in the same order. What will be the population after two years?

  1. 21,00,000

  2. 21,84,000

  3. 2,18,40,000

  4. 2,18,400

  5. None of these


Correct Option: B
Explanation:

After the 1st year, the population = 14,00,000 + (14,00,000 * 20)/100 = 16,80,000 After the 2nd year, the population = 16,80,000 + (16,80,000 * 30)/100 = 21,84,000

Swati spends 30% of her income on fooding, 28% on clothing and transportaion and 16% on health. If she saves Rs. 12,000, what is her monthly income (in Rs.)?

  1. 46,153.85

  2. 16,216.22

  3. 4,61,538.5

  4. 47,000

  5. None of these


Correct Option: A
Explanation:

12,000 * 100/26 = 46,153.85

If a shopkeeper gives successive discount of 30%, 20% and 20% on a food item, what is the net % discount offered by him?

  1. 70%

  2. 55.2%

  3. 55%

  4. 44.8%

  5. None of these


Correct Option: B
Explanation:

Let the price be 100. After 1st discount, price = 70 After 2nd discount, price = 56 After 3rd discont, price = 44.8 So, net discount = 55.2%

Rahul got 75% marks in Mathematics, 70% marks in Science, 80% marks in English, 65% marks in Social Science and 75% marks in Hindi. What is his total % of marks?

Total marks of all subjects is given as:

Maths = 200

Science = 150

English = 150

Social science = 100

Hindi = 100

  1. 73.57%

  2. 73%

  3. 85.83

  4. 74%

  5. None of these


Correct Option: A
Explanation:

Total number obtained by Rahul = 150 + 105 + 120 + 65 + 75 % of marks = 515*100/700 = 73.57%

An amount of Rs. 65,000 is divided between A, B, C and D in the ratio of 3 : 5 : 8 : 10. How much % did C get?

  1. 38.46%

  2. 44.44%

  3. 31%

  4. 30.77%

  5. None of these


Correct Option: D
Explanation:

Amount of C = 8 * 65,000/26 = 20,000 % amount = 20,000 * 100/65,000 = 30.77%

Manish decided to donate 12.5% of his monthly income but due to some reason he gave only Rs. 9,000 which is 6/7th of what he has decided before. What is his monthly income?

  1. Rs. 8,40,000

  2. Rs. 61,714.28

  3. Rs. 72,000

  4. Rs. 84,000

  5. None of these


Correct Option: D
Explanation:

Original amount which was decided = 9000*7/6 = 10,500 So, monthly income = 10500 * 100/12.5 = 84,000

If 18,000 rupees were divided between A, B andC in the ratio of 3 : 6 : 9. How much more money in percentage terms does C have than B?

  1. 150%

  2. 100%

  3. 200%

  4. 50%

  5. None of these


Correct Option: D
Explanation:

Ratiof of money between B and C = 6 : 9 So, the money C got is 150% of what B got. Therefore, it is 50% more than B.

An article is sold at 1920 rupees after giving 20% discount on the marked price. If the real gain is 20%, then how much more is the marked price than the cost price?

  1. 50%

  2. 150%

  3. 40%

  4. 56.25%

  5. None of these


Correct Option: A
Explanation:

Marked price = 1920 * 100/80 = 2400
Cost price = 1920* 5/6 = 1600

So, it is 50% more than the cost price.

If selling price of 15 pens is equal to cost price of 18 pens, what is the % of profit?

  1. Data insufficient

  2. 30%

  3. 20%

  4. 16.67%

  5. None of these


Correct Option: C
Explanation:

Let CP of 1 pen = 1 rupee Then CP of 15 pens = 15 rupees Selling price of 15 pens = 18 rupees % profit = 3 * 100/15 = 20%

Ram spends 37% money on education, 25% on electricity and 13% on other products. If he has 13,000 rupees left, what is the total amount (in Rs.)?

  1. 17,333.33

  2. 52,000

  3. 5,20,000

  4. 39,000

  5. None of these


Correct Option: B
Explanation:

Total amount = 13,000 * 100/25 = 52,000

Rekha got 90 in Maths, 100 in English, 66% in Science, 68 in Social Science and 82 in Hindi. Find her total percentage of marks.

Total marks of all subjects is given as:

Maths = 200

Science = 150

English = 150

Social science = 100

Hindi = 100

  1. 81.2%

  2. 58%

  3. 62.7%

  4. 87.8%

  5. None of these


Correct Option: C
Explanation:

Marks obtained by her = 90 + 100 + 99 + 68 + 82 = 439 Percentage of marks = 439 * 100/700 = 62.7%

If an article is sold at Rs. 16,800 by giving 30% discount, what is it's marked price(in Rs.)?

  1. 24,000

  2. 21,840

  3. 2,40,000

  4. 2400

  5. None of these


Correct Option: A
Explanation:

Marked price = 16800 * 10/7 = 24,000

If the length of a rectangle is decreased by 20% and the breadth is increased by 30%, find the change in the area of the rectangle.

  1. 4% decrease

  2. Data insufficient

  3. 56% increase

  4. 4% increase

  5. 10% increase


Correct Option: D
Explanation:

Let the length be l and the breadth be b. New area = 0.8 * l * 1.3 * b = 1.04 lb So, area increases by 4%.

If numerator of a fraction is increased by 200% and denominator is increased by 300%, the new fraction will be what percent of the original fraction?

  1. 66.7%

  2. 150%

  3. 75%

  4. 133.33%

  5. None of these


Correct Option: C
Explanation:

Let original fraction is n/p.

The new fraction = 3n/4p = 0.75 * n/p

Therefore, it is 75% of original fraction.

Ram sells a chair for a loss of 10%. If the chair would have been sold for Rs. 600, he would have got a profit of 20%. What is the difference between the two selling prices?

  1. Rs. 150

  2. Rs. 180

  3. Rs. 100

  4. Rs. 60

  5. None of the above


Correct Option: A
Explanation:

Cost price of the chair = 600 * 100/120 = 500 Selling price (for 10% loss) = 500 - (500 * 10/100) = 450 Difference between selling prices = 600 - 450 = Rs. 150

If on a marked price the difference of selling prices with a discount of 30% and two successive discount of 20% and 10% is Rs. 144, then what is the marked price(in Rs.)?

  1. Rs. 205.71

  2. Rs. 7200

  3. Rs. 205.24

  4. Rs. 7300

  5. Rs. 720


Correct Option: B
Explanation:

Let the MP = p    

Then, price after 30% discount = 0.7p

Price after successive discounts of 20% and 10% = 0.72p

Therfore, 0.02p = 144

p = Rs. 7200

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