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

mathematics Mcqs

1301. 16.66% of 33.33% of 66.66% of ? = 30
0

A. 270

B. 240

C. 810

D. 90

1302. The radius of a circular wheel is 17.5m. How many revolutions will it make in travelling 11km?
0

A. 100

B. 10,000

C. 10

D. 1000

1303. The product of two numbers is 2025 and their HCF is 15 their LCM is____________?
0

A. 2010

B. 2040

C. 150

D. 135

1304. The radius of a semi circle is 6.3 cm then its perimeter is?
0

A. 30 cm

B. 35.4 cm

C. 32 cm

D. 32.4 cm

1305. A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?
0

A. 88

B. 34

C. 40

D. 68

1306. The diameter of a circle is 105 cm less than the circumference what is the diameter of the circle?
0

A. 44 cm

B. 46 cm

C. 49 cm

D. 48 cm

1307. Find the least number which when divided by 6, 7, 8, 9 and 10 leaves 1, 2, 3, 4 and 5 as remainders respectively, but when divided by 19 leaves no remainder?
0

A. 5073

B. 5054

C. 5016

D. 5035

1308. The perimeter of a rectangle and square are 160m each. The area of the rectangle is less than that its square by 100cm meters. The less than that of the square by 100 sq.meters. the length of rectangle is___________?
0

A. 60m

B. 50m

C. 30m

D. 40m

1309. A rectangular tank measuring (5m x 4.5m x 2.1m) is dug in the center of the field measuring 13.5m x 2.5m. The earth dug out is speed every over the remaining portion of the field raised?
0

A. 4.1cm

B. 4m

C. 4.2cm

D. 4.3m

1310. A circular path of 13 m radius has marginal walk 2 m wide all round it. Find the cost of leveling the walk at 25p per m2?
0

A. Rs.44

B. Rs.45

C. Rs.78

D. Rs.40

1311. What is the area of square field whose side of length 15 m?
0

A. 30 sq m

B. 100 sq m

C. 220 sq m

D. 225 sq m

1312. If the area of circle is 616 sq cm then its circumference?
0

A. 75 m

B. 78 m

C. 88 m

D. 70 m

1313. Find the least square number which is divisible by 10, 12, 15 and 18?
0

A. 2500

B. 3600

C. 900

D. 1600

1314. 36 * 48 64 + 36 12 = _________?
0

A. 30

B. 20

C. 18

D. 12

1315. The area of a sector of a circle of radius 5 cm formed by an arc of length 3.5 cm is__________?
0

A. 8.75 cm2

B. 0.35 cm<sup>2</sup>

C. 55 cm<sup>2</sup>

D. 17.5 cm<sup>2</sup>

1316. Three numbers are in the ratio 3:4:5 and their L.C.M is 2400. Their H.C.F is:
0

A. 40

B. 120

C. 200

D. 80

1317. The altitude of an equilateral triangle of side 2?3 cm is_________?
0

A. 1/2 cm

B. 3 cm

C. 3/4 cm

D. 3/2 cm

1318. The product of the area of three adjacent faces of a rectangular box is equal to___________?
0

A. the volume of the box

B. Cube root of the volume of the box

C. the square of the volume of the box

D. Twice the volume of the box

1319. A rectangular lawn of dimensions 80 m * 60 m has two roads each 10 m wide running in the middle of the lawn, one parallel to the length and the other parallel to the breadth. What is the cost of traveling the two roads at Rs.3 per sq m?
0

A. Rs.3700

B. Rs.3900

C. Rs.3800

D. Rs.3600

1320. There are four prime numbers written in ascending order of magnitude. The product of the first three is 385 and of the last three is 1001. Find the fourth number?
0

A. 5

B. 13

C. 11

D. 7

1321. 6 [5/6 + {3 7/8 2 1/3 + 1 7/9}] = _____________?
0

A. 2 11/72

B. 3 9/13

C. 1 9/11

D. None of these

1322. If the diameter of a circle is increased by 100 % its area is increased by:_________?
0

A. 400%

B. 200%

C. 300%

D. 100%

1323. I. 9a<sup>2
0

A. If a ? b

B. If a < b

C. If a > b

D. If a ? b

1324. If the roots of the equation 2x<sup>2
0

A. 6

B. 5

C. 4

D. 3

1325. A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m<sup>2
0

A. Rs.57

B. Rs.55

C. Rs.52

D. Rs.60

1326. Surface area of two spheres are in the ratio 1:4 what is the ratio of their volumes?
0

A. 1:8

B. 1:04

C. 8:01

D. 0.086111111

1327. The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is___________?
0

A. 50

B. 51.4 approx.

C. 45

D. 54.6 approx.

1328. The volume of a cube is 1728 cc. Find its surface.
0

A. 486 cm<sup>2</sup>

B. 864 cm2

C. 468 cm<sup>2</sup>

D. 648 cm<sup>2</sup>

1329. One top can fill a cistern in 2 hours and another can empty the cistern in 3 hours. How long will they take to fill the cistern if both the taps are opened?
0

A. 5 Hours

B. 8 Hours

C. 7 Hours

D. 6 Hours

1330. Which of the following has most number of divisors?
0

A. 182

B. 176

C. 101

D. 99

1331. Find the roots of the quadratic equation: 22 + 3x 9 = 0?
0

A. 3, -3/2

B. 3/2, -3

C. -3/2, -3

D. 3/2, 3

1332. What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?
0

A. 344.35 cm2

B. 344.35 cm2

C. None of these

D. 344.35 cm2

1333. The radius of a wire is decreased to one third if volume remains the same length will increase
0

A. 3 times

B. 1 Time

C. 6 times

D. 9 times

1334. A wooden box of dimensions 8m x 7m x 6m is to carry rectangular boxes of dimensions 8cm x 7cm x 6cm. The maximum number of boxes that can be carried in 1 wooden box is?
0

A. 9800000

B. 1000000

C. 7500000

D. 1200000

1335. If a number is chosen at random from the set {1, 2, 3, ., 100}, then the probability that the chosen number is a perfect cube is___________?
0

A. 1/25

B. 2-Jan

C. 10-Jan

D. 13-Apr

1336. One root of the quadratic equation x<sup>2
0

A. 27

B. 7

C. 29

D. 28

1337. A tank 3 m long, 2 m wide and 1.5 m deep is dug in a field 20 m long and 14 m wide. If the earth dug out is evenly spread out over the field, the level of the field will raise by nearly?
0

A. 2.98 cm

B. 0.299 cm

C. 0.29 cm

D. 4.15 cm

1338. The number of solid spheres each of diameter 6 cm, that could be moulded to form a solid metal cylinder of height 45 cm and diameter 4 cm is?
0

A. 6

B. 4

C. 5

D. 3

1339. A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?
0

A. 21-Apr

B. 2/21

C. 14-Jan

D. 22-Mar

1340. A cistern has three pipes, A, B and C. The pipes A and B can fill it in 4 and 5 hours respectively and C can empty it in 2 hours. If the pipes are opened in order at 1, 2 and 3 A.M. When will the cistern be empty?
0

A. 4:00 PM

B. 3:00 PM

C. 5 PM

D. 7:00 PM

1341. Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is?
0

A. 100 gallons

B. 60 gallons

C. 120 gallons

D. 180 gallons

1342. Find the quadratic equations whose roots are the reciprocals of the roots of 2x<sup>2
0

A. 3x<sup>2</sup> 5x + 2 = 0

B. 3x<sup>2</sup>+ 5x 2 = 0

C. 3x2+ 5x + 2 = 0

D. 3x<sup>2</sup> 5x 2 = 0

1343. The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is___________?
0

A. 31 kg

B. 26 kg

C. 17 kg

D. 20 kg

1344. Two taps can separately fill a cistern 10 minutes and 15 minutes respectively and when the waste pipe is open, they can together fill it in 18 minutes. The waste pipe can empty the full cistern in?
0

A. 23 min

B. 7 min

C. 9 min

D. 13 min

1345. The edge of a cube is 2a cm. Find its surface?
0

A. 24a2cm2

B. 6a<sup>2</sup>cm<sup>2</sup>

C. 12a<sup>2</sup>cm<sup>2</sup>

D. 8a<sup>2</sup>cm<sup>2</sup>

1346. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average of the team?
0

A. 25 years

B. 23 years

C. None of these

D. 24 years

1347. Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is_____________?
0

A. 2-Jan

B. 16/19

C. 17/20

D. 5-Apr

1348. The diameters of two spheres are in the ratio 1:2 what is the ratio of their surface area?
0

A. 4:01

B. 1:02

C. 1:4

D. 2:01

1349. The area of a square is 4096 sq cm. Find the ratio of the breadth and the length of a rectangle whose length is twice the side of the square and breadth is 24 cm less than the side of the square.
0

A. None of these

B. 7:16

C. 5:14

D. 18:05

1350. The sector of a circle has radius of 21 cm and central angle 135o. Find its perimeter?
0

A. 91.5 cm

B. 92.5 cm

C. 93.5 cm

D. 94.5 cm

Showing 1301 to 1350 of 3669 mcqs