mathematics mcqs to prepare for nts, kppsc, fpsc, ppsc and more | mcqpk.com

mathematics Mcqs

501. The length of a rectangle is increased by 10 % and breadth decreased by 10 % Then the area of a new rectangle is:_________?
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A. neither increased nor decreased

B. increased by 1 %

C. decreased by 10 %

D. decreased by 1 %

502. 1 yard =___________?
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A. 6 feet

B. 12 feet

C. 3 feet

D. 2.4 feet

503. There is a 30% increase in the price of an article in the first year, a 20% decrease in the second year and a 10% increase in the next year. If the final price of the article is Rs. 2288, then what was the price of the article initially?
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A. Rs. 2400

B. Rs. 2000

C. None of these

D. Rs. 1500

E. Rs. 1800

504. Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is :__________?
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A. 6:07

B. 2:05

C. 3:05

D. 4 : 5

505. A sells his goods 50% cheaper than B but 50% dearer than C. The cheapest is_________?
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A. All Alike

B. B

C. C

D. A

506. If the price has fallen by 10% what percent of its consumption be: increased so that the expenditure may be the same as before?
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A. 11 1/9 %

B. 11%

C. 10%

D. 9.09%

507. If A got 80 marks and B got 60 marks, then what percent of As mark is Bs mark?
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A. 60%

B. None of these

C. 65%

D. 80%

E. 75%

508. A dishonest dealer claims to sell his goods at the cost price but uses a false weight of 900 gm for 1 kg what is his gain percent?
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A. 11 1/9 %

B. 12.11%

C. 11.25%

D. 13%

509. The price of cooking oil has increased by 25 %. The percentage of reduction that a farming should effect in the use of cooking oil so as not to increase the expenditure on this account is________?
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A. 20 %

B. 30%

C. 25%

D. 15%

510. If the price of the eraser is reduced by 25% a person buy 2 more erasers for a rupee. How many erasers available for a rupee?
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A. 4

B. 2

C. 6

D. 8

511. A, B, C and D divide a sum of money among themselves in the ratio 7:4:3:2. If D gets Rs. 500 less than A, find the total amount.
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A. Rs.2000

B. Rs.700

C. Rs.1600

D. Rs.100

512. There are three numbers. 5/7th of the first number is equal to 48% of the second number. The second number is 1/9th of the third number. If the third number is 1125, then find 25% of the first number?
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A. 21

B. 168

C. None of these

D. 42

E. 84

513. 10 % of the electorate did not cast their votes in an election between two candidates. 10 % of the votes polled were found invalid. The successful candidate got 54 % of the valid votes and won by a majority of 1620 votes. The number of voters enrolled on the voters list was___________?
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A. 25000

B. 33000

C. 40000

D. 35000

514. If P gets 25% more than Q, then by what percent does Q get less than P?
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A. 16.67%

B. None of these

C. 20%

D. 33.33%

E. 30%

515. 64 is what percent of 80?
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A. 80%

B. 70%

C. 60%

D. 64%

516. 605 sweets were distributed equally among children in such a way that the number of sweets received by each child is 20 % of the total number of children. How many sweets did each child receive?
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A. 24

B. cannot be determined

C. 45

D. 11

517. X, Y and Z are quantities of the same kind such that X:Y=5:8 and Y:Z=4:7. Find X:Z.
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A. 5:07

B. 32:35:00

C. 5:14

D. 67:56:00

518. If cost of sugar increases by 25%. How much percent consumption of sugar should be decreased in order to keep expenditure fixed?
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A. 25%

B. None

C. 10%

D. 20%

E. 15%

519. If 25% of x is 15 less than 15% of 1500, then x is?
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A. 720

B. 750

C. 820

D. None of these

E. 840

520. The cost price of a radio is Rs.1500 and it was sold for Rs.1230, find the loss %?
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A. 9%

B. 15%

C. 18%

D. 6%

521. After spending 40 % in machinery, 25 % in the building, 15 % in raw material and 5 % on furniture, Haris had a balance of Rs. 1305. The money with him was:________?
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A. Rs. 8700

B. Rs. 1390

C. Rs. 7225

D. Rs. 6500

522. A man purchases 8 pens for Rs.9 and sells 9 pens for Rs.8, how much profit or loss does he make?
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A. 20.89% loss

B. 20.98% loss

C. 20.89% profit

D. 20.98% profit

523. A dishonest dealer professes to sell goods at the cost price but uses a weight of 800 grams per kg, what is his percent?
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A. 20%

B. 15%

C. 25%

D. 30%

524. In an examination, 47% failed in English and 54% failed in Mathematics. Find the pass percentage in both the subjects if 31% failed in both the subjects?
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A. 70%

B. 30%

C. 37%

D. 53%

525. An engineering student has to secure 36% marks to pass. He gets 130 marks and fails by 14 marks. The maximum No. of marks obtained by him is_________?
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A. 500

B. 350

C. 300

D. 400

526. If 15% of 30% of 50% of a number is 90, then what is the number?
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A. 3050

B. 4400

C. 4000

D. 4500

E. None of these

527. Two kinds of rice, 1st costs Rs.13 per kg and 2nd costs Rs.19 per kg are mixed together. Find the ratio in which the 2 types are mixed so that the mixture costs Rs.14.2 per kg?
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A. 4:1

B. 3:01

C. 3:04

D. 4:03

528. The sum of cubes of two numbers is 280. If the numbers are in the ratio 2:3, find the smallest number.
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A. 6

B. 3

C. 4

D. 2

529. If the numerator of a fraction is increased by 140 % and the denominator is increased by 150 % the resultant fraction is 4/15 what is the original fraction?
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A. 9-Feb

B. 16-May

C. None of these

D. 5-Mar

530. A surn of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is Bs share ?
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A. Rs. 2000

B. Rs. 500

C. Rs. 1500

D. None of these

531. 40 is subtracted from 60% of a number, the result is 50. Find the number?
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A. 130

B. 110

C. 150

D. 140

532. 40% of a number is more than 20% of 650 by 190. Find the number?
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A. 600

B. 700

C. 800

D. 900

533. 80 is what percent of 64?
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A. 125%

B. 85%

C. None of these

D. 120%

E. 75%

534. Two numbers are less than q third number by 30 % and 37 % respectively. How much percent is the second number less than the first?
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A. 20%

B. 15%

C. 10 %

D. 25%

535. Subtracting 10% from X is the same as multiplying X by what number?
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A. 10%

B. 90%

C. 50%

D. 80%

536. After decreasing 24% in the price of an article costs Rs.912. Find the actual cost of an article?
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A. 1100

B. 1200

C. 1400

D. 1300

537. A gardener increases the area of his rectangular garden by increasing its length by 40% and decreasing by 20%. The area of the new garden?
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A. Has increase by 12%

B. Has increase b 8%

C. Is exactly the same as the old area

D. Has increase by 20%

538. In what ratio should the profit be divided if M, N, O invests capital in ratio 2:3:5 and their timing of their investments are in the ratio 4:5:6.
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A. 5:18:28

B. 8:15:30

C. 4:05:06

D. 2:03:05

539. Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats ?
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A. None of these

B. 6:07:08

C. 6:08:09

D. 2 : 3 : 4

540. The tank full of petrol in Haroons motorcycle lasts for 10 days, if he starts using 25% more every day for how many days will the tank full of petrol last?
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A. 7days

B. 5days

C. 6days

D. 8days

541. When the numerator of a fraction is decreased by 25% and its denominator is decreased by 20%, the new fraction obtained is 3/4. Find the original fraction?
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A. None of these

B. 7-Jun

C. 4-May

D. 7-Apr

E. 6-May

542. A man donated 5 % of his income to a charitable organization and deposited 20 % of the remainder in a bank. If he now has Rs. 1919 left, what is his income?
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A. Rs. 2558. 60

B. Rs. 2500

C. Rs. 2300

D. Rs. 2525

543. In an election between two candidates 75 % of the voters cast their votes. Out of which 2 % of the voters were declared invalid. A candidate got 9261 votes which were 75 % of the total valid votes. The total number of voters enrolled in that election was:__________?
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A. 16400

B. 16800

C. 18000

D. 10000

544. The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is :___________?
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A. None of these

B. 20

C. 30

D. 40

545. If the side of a square is increased by 30 %. Its area is increased by:_________?
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A. 9%

B. 60%

C. 69 %

D. 30%

546. The price of an article has been reduced by 25 %. In order to restore the original price, the new price must be increased by:________?
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A. 9.09%

B. 11.11%

C. 66.67%

D. 33 1/3 %

547. A and B are two fixed points 5 cm apart and c is a point on AB such that AC = 3 cm. If the length of AC is increased by 6 % the length of CB is decreased by:_________?
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A. 8%

B. 7%

C. 6%

D. 9 %

548. Moons salary was first increased by 20% and then decreased by 20%. If his present salary is Rs. 7200, then what was his original salary?
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A. Rs. 8000

B. Rs. 7500

C. Rs. 7200

D. None of these

E. Rs. 7400

549. The population of a town increases 4 % annually but is decreased by emigration annually to the extent of (1/2) %. What will be the increase percent in three years?
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A. 9.8

B. 10

C. 10.5

D. 10.8

550. 40% of Raees marks is equal to 20% of Rahims marks which percent is equal to 30% of Rehmans marks. If Rehmans marks is 80, then find the average marks of Raees and Rahim?
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A. 70

B. 60

C. None of these

D. 90

E. 80

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