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

mathematics Mcqs

401. Find the value of x when y = 5, if x varies directly as 4y-1 and x = 14 when y = 2.
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A. 35

B. 10

C. 28

D. 38

402. In a test a candidate attempted only 8 Questions and secured 50% marks in each of the questions if the obtained a total of 40% in the test and all questions in the test carried equal marks, how many questions were there in the test?
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A. 15

B. 16

C. 8

D. 10

403. In what ratio should the profit of Rs.8000 be divided if X starts a business with an investment of Rs. 20000, Y invests Rs.7500 for 4 months and Z invests Rs.15000 after 3 months from the start of the business.
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A. 16 : 2 : 9

B. 8:03:06

C. 16:02:03

D. 6:09:01

404. A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is :_________?
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A. 81

B. 42

C. 18

D. 24

405. A man sells a horse for Rs.800 and loses something, if he had sold it for Rs.980, his gain would have been double the former loss. Find the cost price of the horse?
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A. Rs.875

B. Rs.900

C. Rs.850

D. Rs.860

406. A reduction of 20 % in the price of sugar enables a purchaser to obtain 3kg more for Rs. 120. The original price of sugar per kg is:________?
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A. Rs. 15

B. Rs. 8

C. Rs. 10

D. Rs. 12

407. Three numbers are in the ratio of 3 : 4 : 6 and their product is 1944. The largest of these numbers is :___________?
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A. 18

B. 6

C. 12

D. None of these

408. What is the ratio of Faheems salary to Imrans salary to Naveeds salary if Faheem makes 80,000 rupees ,Imran 70,000 rupees and Naveed makes 50,000 rupees ?
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A. 7:08:05

B. 4:07:05

C. 80:70:60

D. 8:7:5

409. On decreasing the price of T.V. sets by 30 % its sale is increased by 20 %. What is the effect on the revenue received by the shopkeeper?
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A. 10 % decrease

B. 10 % increase

C. 16 % increase

D. 16 % decrease

410. Out of 100 students, 50 failed in English and 30 in Mathematics. If 12 students fail in both English and Mathematics. Then the number of students who passed in both the subjects is__________?
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A. 26

B. 30

C. 32

D. 28

411. 85% of a number is added to 24, the result is the same number. Find the number?
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A. 130

B. 150

C. 140

D. 160

412. 3/20 is what percent of 12/25?
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A. None of these

B. 31.25%

C. 35.50%

D. 42.75%

E. 40.50%

413. The sum of two numbers is 2490. If 6.5 % of one number is equal to 8.5 % of the other then the numbers are:_________?
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A. 1011, 1479

B. 989, 1501

C. 1401, 1089

D. 1411, 1079

414. A class has 90 students. If the ratio of boys and girls is 7:8, find the number of boys in the class.
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A. 48

B. 70

C. 60

D. 42

415. A candidate got 35% of the votes polled and he lost to his rival by 2250 votes. How many votes were cast?
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A. 5000

B. 7500

C. 6000

D. 3500

416. If 30% of a number exceeds 20% of it by 18, then find the number?
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A. 120

B. 150

C. 180

D. None of these

E. 200

417. In an examination, every candidate took physics or mathematics or both 65.8% took physics and 59.2% took mathematics the total number of candidates was 2000. How many candidates took both physics and mathematics?
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A. 250

B. 125

C. 750

D. 500

418. An article is bought for Rs.675 and sold for Rs.900, find the gain percent?
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A. 33.17%

B. 33 1/3%

C. 30%

D. 16.67%

419. By selling 50 meters of cloth. I gain the selling price of 15 meters. Find the gain percent?
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A. 42 6/7%

B. 30%

C. 35%

D. 40%

420. In an election between two candidates. One got 55 % of the total valid votes. 20 % of the votes were invalid. If the total number of votes was 7500. The number of valid votes that the other candidate got was_________?
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A. 3000

B. 3100

C. 2900

D. 2700

421. The tax on a commodity is diminished by 20% and its consumption increased by 15%. The effect on revenue is_________?
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A. None

B. It increases by 10%

C. It increases by 8%

D. It decreases by 8%

E. No change in revenue

422. How much is 80% of 40 is greater than 4/5 of 25?
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A. 9

B. 12

C. 4

D. 6

423. Ramees buys good worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods.
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A. Rs. 7000

B. Rs. 6999.20

C. Rs. 6654

D. Rs. 6876.10

424. In a class of 140 students, 60% of them passed. By what percent is the number of students who passed more than the number of failed students?
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A. 40%

B. 80%

C. 50%

D. None of these

E. 20%

425. In an examination 38% of students fail in English and 61% pass in Urdu and 23% fail in both. Find the actual failure percentage?
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A. 61%

B. 54%

C. 70%

D. 46%

426. What percent of 125 is 16?
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A. None of these

B. 12.60%

C. 11.20%

D. 10.40%

427. If 20% of a number, then 120% of that number will be_________?
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A. 20

B. 120

C. 720

D. 360

428. Divide Rs.2000 into two shares in the ratio 3:2.
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A. Rs.800,Rs.1200

B. Rs.1100, Rs.900

C. Rs.1500,Rs.500

D. Rs.1200,Rs.800

429. Two numbers are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is :________?
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A. 55

B. 27

C. 33

D. 49

430. Bilal spends 45% of his monthly income on household items, 25% of his monthly income on buying cloths, 7.5% of his monthly income on medicines and saves the remaining amount which is Rs. 9000. Find his monthly income.
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A. None of these

B. Rs. 50000

C. Rs. 40000

D. Rs. 45000

E. Rs. 36000

431. A period of 4 hrs 30 min is what percent of a day?
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A. 20%

B. 18 3/4 %

C. 19%

D. 16.75%

432. The C.P of 15 books is equal to the S.P of 18 books. Find his gain% or loss%?
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A. 100/3% loss

B. 16 2/3% loss

C. 50/3% profit

D. 100/3% loss

433. A reduction of 20 % in the price of rice enables a person to buy 3.5 kg more rice for Rs. 385. The original price of rice is:________?
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A. Rs. 20 per kg

B. Rs. 25 per kg

C. Rs. 27.50 per kg

D. Rs. 22.50 per kg

434. A salesmans terms were changed from a flat commission of 5% on all his sales to a fixed salary of Rs.1000 plus 2.5% commission on all sales exceeding Rs. 4,000. If his remuneration as per new scheme was Rs. 600 more than that by the previous schema, his sales were worth?
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A. Rs. 14,000

B. Rs. 30,000

C. Rs. 40,000

D. Rs. 12,000

435. At an examination in which full marks were 500. A got 10% less than B, B got 25% more than C and C got 20% less than D. If A got 360 marks, what percentage of full marks was obtained by D?
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A. 75%

B. 90%

C. 70%

D. 80%

436. A typist uses a paper 30 cm by 15 cm. He leaves a margin of 2.5 cm at the top as well as at the bottom and 1.25 cm on either side. What percentage of paper area is approximately available for typing?
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A. 70 %

B. 80%

C. 60%

D. 65%

437. If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number ?
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A. 2:05

B. 5 : 3

C. 7:03

D. 3:07

438. Three quantities X, Y and Z are such that XY=kZ where k is constant. Initially, X was at 4 and X:Y:Z was 2:3:4. If the value of Y is changed to 12 and Z is kept constant, find the value of X.
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A. 5

B. 3

C. 2

D. 6

439. 10 decameters are equal to_______?
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A. 1 Hectometers

B. 3Hectometers

C. 4Hectometers

D. 2Hectometers

440. The average of two numbers is XY.If one number is equal to X ,the other number is equal to_________?
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A. XY-X

B. X

C. 2Y

D. 2 XY -2 X

441. According to a recipe, 400 grams of flour should be mixed with 500 grams of sugar to bake cookies. If I have only 300 grams of flour, how much sugar should I mix to maintain the same proportion?
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A. 400

B. 360

C. 375

D. 380

442. Find the fourth proportion to 3, 7 and 9.
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A. 27

B. 63

C. 31

D. 21

443. In measuring the sides of a rectangle errors of 5 % and 3 % in excess are made. The error percent in the calculates area is_________?
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A. 7.15%

B. 6. 25%

C. 8. 35 %

D. 8.15 %

444. In a school, 40 % of the students play football and 50 % play cricket. If 18 % of the students play neither football nor cricket, the percentage of students playing both is________?
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A. 22%

B. 8 %

C. 32%

D. 40%

445. 60% of a number is added to 120, the result is the same number. Find the number?
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A. 200

B. 400

C. 300

D. 500

446. Two tests had the same maximum mark. The pass percentages in the first and the second test were 40% and 45% respectively. A candidate scored 216 marks in the second test and failed by 36 marks in that test. Find the pass mark in the first test?
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A. 128

B. 164

C. 136

D. 214

E. None of these

447. Two number is first increased by 10 % and then reduced by 10 % the number:__________?
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A. 4:5

B. 6:07

C. 2:05

D. 3:05

448. By selling 150 mangoes, a fruit-seller gains the selling price of 30 mangoes. Find the gain percent?
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A. 18%

B. 30%

C. 25%

D. 20%

449. A mans basic pay for a 40 hour week is Rs. 20 overtime is paid for at 25 % above the basic rate, in a certain week he worked overtime and his total wage was Rs. 25. He therefore worked for a total of:________?
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A. 48 hours

B. 50 hours

C. 45 hours

D. 47 hours

450. A student who secures 20 % marks in an examination fails by 30 marks. Another student who secures 32 % marks gets 42 marks more than those required to pass. The percentage of marks required to pass is:________?
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A. 28%

B. 25 %

C. 30%

D. 20%

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