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

mathematics Mcqs

451. A person was asked to subtract 25% of a number from the original but he subtracted 25 from the number. His answer was 25 more than correct one. What was the original number?
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A. 180

B. 160

C. 200

D. 225

452. How much 60% of 50 is greater than 40% of 30?
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A. 18

B. 20

C. 13

D. 15

453. The ratio of the prices of three articles X, Y and Z is 8 : 5 : 3. If the prices of X , Y and Z are increased by 25%, 20% and 33 1/3% respectively, then what would be the ratio of the new prices of X, Y and Z?
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A. 5:03:01

B. 5 : 3 : 2

C. 10:07:04

D. None of these

E. 10:08:05

454. Amir saves 32% of his monthly salary. If he spends Rs. 27200, then find his savings?
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A. 15400

B. 14300

C. 12800

D. 13200

455. Ghafoor went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?
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A. Rs. 15

B. Rs. 15.70

C. Rs. 19.70

D. Rs. 20

456. 96% of the population of a village is 23040. The total population of the village is________?
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A. 24936

B. 32256

C. 24000

D. 25640

457. By selling a house for Rs.45000, it was found that 1/8 of the outlay was gained, what ought the selling to price to have been in order to have lost 5 p.c?
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A. Rs.42000

B. Rs.40000

C. Rs.38750

D. Rs.38000

458. The Price of an article is cut by 10%. To restore it to the former value, the new price must be increased by_______?
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A. 11%

B. 10%

C. 11 1/9 %

D. 9.09%

459. The third proportional to 3.5, 5.6 is:___________?
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A. 4.5

B. 6.2

C. 8

D. 8.96

460. If 35% of a number is 12 less than 50% of that number, then the number is_________?
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A. 40

B. 60

C. 80

D. 50

461. 75 % of a number when added to 75 is equal to the number. The number is:_______?
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A. 300

B. 200

C. 150

D. 225

462. 5% people of a village in Sri Lanka died by bombardment, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning?
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A. 5500

B. 4400

C. 3800

D. 4200

463. In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?
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A. 150

B. 100

C. 50

D. 200

464. In a factory, there are 40% technicians and 60% non-technicians. If the 60% of the technicians and 40% of non-technicians are permanent employees, then the percentage of workers who are temporary is________?
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A. 32%

B. 42%

C. 52%

D. 62%

465. The plan for a rectangular area is drawn to a scale of 1:500. If the length and breadth in the plan is 30 cm and 20 cm, find the actual area.
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A. 12000 m

B. 1200 m

C. 15000 m

D. 1500 m

466. In an office, totally there are 6400 employees and 65% of the total employees are males. 25% of the males in the office are at-least 50 years old. Find the number of males aged below 50 years?
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A. None of these

B. 1040

C. 2080

D. 4160

E. 3120

467. Two numbers are respectively 20% and 25% more than a third number. The percentage that is first of the second is_________?
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A. 85%

B. 80%

C. 125%

D. 96%

468. p is 50% more than q. Find the ratio of p to q.
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A. 3:2

B. 1:05

C. 1:02

D. 2:01

469. In a college election, a candidate secured 62 % of the votes and is elected by a majority of 144 votes. The total number of votes polled is:________?
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A. 600

B. 925

C. 800

D. 1200

470. If y exceeds x by 20%, then x is less than y by_______?
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A. 16%

B. 16.60%

C. 16 2/3 %

D. 16.33%

471. The monthly incomes of A and B are in the ratio 5 : 2. Bs monthly income is 12% more than Cs monthly income. If Cs monthly income is Rs. 15000, then find the annual income of A?
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A. None of these

B. Rs. 180000

C. Rs. 201600

D. Rs. 420000

E. Rs. 504000

472. 4 singers, 5 dancers and 3 comperes divide an amount of Rs.130000 among themselves such that 3 comperes get as much as 2 dancers and 3 dancers get as much as 2 singers. Find the amount received by a singer.
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A. Rs.18000

B. Rs.10000

C. Rs.15000

D. Rs.13000

473. If the number obtained on interchanging the digits of a two-digit number is 18 more than the original number and the sum of the digits is 8, then what is the original number ?
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A. 26

B. Cannot be determined

C. 53

D. 35

474. Masoods salary is reduced by 10% and then reduced salary is increased by 10%. Find ,how many percentage his present salary is less as compared to his previous salary?
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A. 1%

B. Nothing

C. 5%

D. 10%

475. Ramees sold two bicycles, each for Rs.990. If he made 10% profit on the first and 10% loss on the second, what is the total cost of both bicycles?
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A. Rs.1750

B. Rs.1891

C. Rs.2000

D. Rs.1980

476. The salary of a worker is first increased by 30% and afterwards reduced by 30%. What is net change in his salary?
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A. 9% decrease

B. 90% increase

C. 45% increase

D. Same as before

477. If the price of petral is increased by 20% by what percentage should the consumption be decreased by the consumer if the expenditure on petrel remains unchanged?
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A. 6.67%

B. 8%

C. 15%

D. 16 2/3%

478. The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:________?
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A. 5%

B. 4.37%

C. 8.75%

D. 6%

479. In a class of 120 students , 45 students received a grade of B.What percent of the class received a grade of B ?
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A. 37.5%

B. 75%

C. 25.60%

D. 18.50%

480. Ramees professes to sell his goods at the cost price but he made use of 900 grms instead of a kg, what is the gain percent?
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A. 10%

B. 11.22%

C. 11%

D. 11 1/9%

481. The quality of water that should be added to reduce 9 ml. Lotion containing 50 % alcohol to a lotion containing 30 % alcohol is_________?
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A. 3 ml

B. 5 ml

C. 4 ml

D. 6 ml

482. The value of a plant depreciates by 10 % annually. If the present value of the plant is Rs. 100000, then what will be its value after 2 years?
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A. Rs 10000

B. Rs. 8000

C. Rs. 81000

D. Rs. 18000

483. A person spends 1/5th of his income on the education of his children, and 20% of the remaining on food. If he is left with Rs.576 find his income?
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A. Rs.900

B. Rs.500

C. Rs.800

D. Rs.1000

484. A tradesman by means of his false balance defrauds to the extent of 20%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?
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A. 48%

B. 44%

C. 45%

D. 20%

485. Candidates in a competitive examination consisted of 60% men and 40% women 70% men and 75% women cleared the qualifying test and entered the final test where 80% men and 70% women were successful? Which of the following statements is correct?
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A. Success rate is higher for women

B. Overall success rate is below 50%

C. More men cleared the examination than women

D. Both A and B

486. The cost price of 13 articles is equal to the selling price of 11 articles. Find the profit percent?
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A. 30%

B. 15.33%

C. 16.67%

D. 18 2/11%

487. Solve for x <br> 2x:25 = 6:(x/3)
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A. 5

B. 15

C. 18

D. 12

488. 5 % of the income of A is equal to 15 % of the income of B and 10 % of the income of B is equal to 20 % of the income of c. If the income of C is Rs. 2000. What is the total income of A, B and C?
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A. Rs. 12400

B. Rs 16000

C. Rs. 18000

D. Rs. 14000

489. x is 20% more than z and y is 80% more than z. Find x:y.
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A. 3:04

B. 1:04

C. 1:03

D. 2:3

490. In an examination 40% failed in Urdu, 45% failed in English. If 25% students failed in both the subjects. Then the percentage of failed students is________?
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A. 60%

B. 70%

C. 15%

D. 65%

491. When 5% is lost in grinding wheat, a country has to import 20 million bags; but when only 2% is lost, it has to import only 15 million bags. Find the quantity of wheat, which grows in the country?
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A. 150 m

B. 166 2/3 m

C. 133 1/3 m

D. 106 2/3 m

492. Two numbers are 30% and 37% are less than a third number .How much percent is the second number less than the first?
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A. 10%

B. 12%

C. 15%

D. 5%

493. The perimeter of a triangle is 81 cm. If the sides are in the ratio 4:3:2, find the length of the largest side.
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A. 40 cm

B. 45 cm

C. 36 cm

D. 27 cm

494. In two successive years, 100 and 75 students of a school appeared at the final examination. Respectively 75 % and 60 % of them passed. The average rate of pass is:_________?
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A. 78%

B. 68 4/7 %

C. 80.57%

D. 80%

495. The sale price sarees listed for Rs.400 after successive discount is 10% and 5% is________?
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A. Rs.340

B. Rs.342

C. Rs.357

D. Rs.338

496. 45% of 750 25% of 480 =__________?
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A. 217.50

B. 236.5

C. 245

D. 216

497. Anees spends 40% of his income on rent, 30% of the remaining on medicines and 20% of the remaining on education. If he saves Rs. 840 every month, then find his monthly salary?
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A. Rs. 2500

B. Rs. 2200

C. Rs. 1800

D. None of these

E. Rs. 2000

498. If X:Y = 2:3, Y:Z = 4:5. Find X:Y:Z.
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A. 2:03:05

B. 2:08:05

C. 2:07:05

D. 8:12:15

499. If the numerator of a fraction is increased by 20% and its denominator is diminished by 25% value of the fraction is 2/15. Find the original fraction.
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A. 8-Jan

B. 6-Jan

C. 4-Jan

D. 1/12

500. 25% of 30% of 45% is equal to__________?
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A. 3.375

B. 0.3375

C. 0.03375

D. 33.75

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