mathematics MCQs – Page 25

Practise multiple-choice questions from mathematics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

1201. A swimming bath is 24 m long and 15 m broad. When a number of men drive into the bath. The height of water rises by 1cm. If the average volume of water displaced by each man be 0.1m3 how many mean are there in the both?
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A. 46

B. 42

C. 32

D. 36
1202. The sum of two numbers is 528 and their H.C.F is 33. The number of pairs of numbers satisfying the above conditions is__________?
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A. 8

B. 12

C. 4

D. 6

1203. The least number of four digits which is divisible by 15, 25, 40 and 75 is_________?
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A. 9600

B. 9400

C. 9000

D. 9800

1204. Find the least multiple of 13 which when divided by 6, 8 and 12 leaves 5, 7 and 11 as remainders respectively? A. 143 B. 169 C. 260 D. 221
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A. 143

B. 260

C. 169

D. 221

1205. Which one of the following has a greater perimeter than the rest?
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A. A circle with a radius of 4 cm

B. A rectangle with 10 cm as length and 40 sq.cm as area

C. An Equilateral Triangle with a side of 9 cm

D. A square with an area of 36 sq.cm

1206. [50 {20 + 60% of (26/13 + 24/12 + 21) 2} + 8] = 625/?
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A. 25

B. 125

C. 241/5

D. 253/5

1207. The radius of a circle is increased by 1%. Find how much % does its area increases?
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A. 3.01%

B. 2.01%

C. 1.01%

D. 5.01%

1208. If x % of 80 = 20% of y, then x = ? and y = ?
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A. x = 20, y = 80

B. x = 20, y = 40

C. x = 20, y = 20

D. Cannot be determined
1209. LCM of 455, 117, 338 is________?
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A. 10670

B. 107470

C. 104670

D. 106470
1210. The length of a rectangular plot is twice its breadth. If the area of the rectangular plot is 6075 sq.meters .what is its length?
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A. 135m

B. 75m

C. 45m

D. None of these

1211. HCF of 3/16, 5/12, 7/8 is__________?
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A. Mar-47

B. May-48

C. 1/48

D. Feb-47

1212. If the circumference of a circle is 352 meters then its area in Sq.m is:________?
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A. 8956

B. 9856

C. 5986

D. 6589

1213. Find the greatest number of four digits which when divided by 10, 15, 21 and 28 leaves 4, 9, 15 and 22 as remainders respectively?
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A. 9664

B. 9654

C. 9864

D. 9666

1214. The H.C.F of two numbers is 23 and the other two factors of their L.C.M are 13 and 14. The larger of the two numbers is___________?
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A. 322

B. 345

C. 276

D. 299

1215. How many minimum numbers of whole square slabs are required for paving the floor 12.96 meters long and 3.84 meters side?
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A. 216

B. 108

C. 192

D. 256

1216. The length of a rectangular plot is 4 times that of its breadth. IF the area of the plot is 200 square meters, then what is its length?
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A. 44m

B. None of these

C. 25m

D. 30m
1217. The H.C.F of two numbers is 8. Which of the following can never be their L.C.M?
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A. 24

B. 56

C. 48

D. 60
1218. How many meters of carpet 63cm will be required to be a floor of a room 14m by 9cm?
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A. 220m

B. 210m

C. 200m

D. 185m

1219. The least number of five digits that have 144 their HCF is__________?
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A. 10080

B. 10085

C. 10075

D. 10070

1220. The area of the largest circle that can be drawn inside a rectangle with sides 18cm and 14cm is_________?
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A. 154 Sq.cm

B. 49 Sq.cm

C. 1078 Sq.cm

D. 378Sq.cm

1221. Find the greatest number which is such that when 697, 909 and 1227 are divided by it, the remainders are all the same?
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A. 53

B. 112

C. 108

D. 106
1222. The area of a triangle will be when a = 1m, b = 2m, c = 3m, a, b, c being lengths of respective sides.
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A. 2 sq m

B. 0 sq m

C. 3 sq m

D. 6 sq m

1223. A circular wire of radius 42 cm is cut and bent in the form of a rectangle whose sides are in the ration of 6:5 The smaller side if the rectangle is:_________?
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A. 30 cm

B. 60 cm

C. 72 cm

D. 132 cm

1224. 5 * 5 5 + 5 5 = __________?
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A. 4

B. 6

C. 3

D. 2

1225. Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 cm?
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A. 120 sq m

B. 300 sq m

C. 150 sq m

D. 110 sq m

1226. The greatest number of four digits that have 144 for their HCF is___________?
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A. 9935

B. 9930

C. 9936

D. 9903

1227. If the length of a rectangle is increased by 20% and its breadth is decreased by 20% then it area________?
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A. decreased by 4%

B. Remains unchanged

C. Increased by 4%

D. Decreased by 1%

1228. The length of a rope by which a cow must be tethered in order that she may be able to graze an area of 9856 sq.m is:________?
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A. 56m

B. 64m

C. 168m

D. 88m

1229. 2/3 * 5 1/2 * 2 * 7 5/6 * 9/11 = ______________?
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A. 4 9/11

B. 47

C. 37

D. 74

1230. The length and breadth of play ground are 36 m and 21 m respectively. Flag staffs are required to be fixed on all along the boundary at a distance of 3 m part. The number of flag staffs will be___________?
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A. 39

B. 40

C. 38

D. 37

1231. The sides of a triangle are in the ratio : 1/3: . If the perimeter is 52cm then the length of the smallest side is________?
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A. 11cm

B. 12cm

C. 10cm

D. 9cm

1232. The length of a hall is (4/3) times its breadth. If the area of the hall be 300 square meters the difference between the length and breadth is__________?
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A. 15m

B. None of these

C. 3m

D. 4m

1233. A rectangle has 15 cm as its length and 159 cm<sup>2
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A. 60 cm

B. 70 cm

C. 80 cm

D. 50 cm

1234. Water flows a tank 200 x 150m through a rectangular pipe 1.5 x 1.25m at the rate at 20kmph. In what time will be water rises by 2 meters?
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A. 90min

B. 96min

C. 76 min

D. 80min

1235. The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of 14, 19, 29 and 34 respectively is________?
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A. 1349

B. 1494

C. 1496

D. 1994

1236. The radius of the two circular fields is in the ratio 3: 5 the area of the first field is what percent less than the area of the second?
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A. 60%

B. 40%

C. 64%

D. 50%

1237. What is the ratio between perimeters of two squares one having 3 times the diagonal then the other?
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A. 3:1

B. 6:02

C. 4:08

D. 1:04

1238. (0.9 * 0.9 0.8 * 0.8)/1.7 = ________?
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A. 0.1

B. 0.2

C. 0.3

D. 0.4

1239. The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?
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A. 120

B. 50

C. None of These

D. 40

1240. Find the size of the largest square slabs which can be paved on the floor of a room 5 meters 44 cm long and 3 meters 74 cm broad?
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A. 38

B. 34

C. 56

D. 42

1241. The area of a triangle is with base 4m and height 5m?
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A. 5 sq m

B. 3 sq m

C. 20 sq m

D. 10 sq m
1242. ? % of 400 + 40% of 160 = 17% of 400
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A. 0.4

B. 4

C. 1

D. 0.1

1243. The least square number which divides 8, 12 and 18 is________?
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A. 100

B. 64

C. 144

D. 121

1244. parallelogram has sides 60 m and 40 m and one of its diagonals is 80 m long then its area is:__________?
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A. 320 sq.m

B. 600?15 sq.m

C. 450?15

D. 480 sq.m

1245. A rectangular courtyard 3.78min long and 5.25m broad is to be paved exactly with square tiles all of the same size. The minimum number of such tiles is_________?
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A. 440

B. 460

C. 450

D. 430

1246. 12(13/18) + 16(11/27) 10(5/9) = _________?
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A. 1831/54

B. 18<sup>2/3</sup>

C. 20<sup>1/2</sup>

D. 18

1247. LCM of 18 and 27 is_________?
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A. 54

B. 91

C. 89

D. 85

1248. The side of a square is increased by 25% then how much % does its area increases?
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A. 50.75

B. 56.25

C. 52.65

D. 42.75

1249. Three numbers are in the ratio 1:2:3 and their H.C.F is 12. The numbers are__________?
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A. 10, 20, 30

B. 4, 8, 12

C. 5, 10, 15

D. 12, 24, 36
1250. [3/7 of {21 * (33.33% of (27 + 3) 5) 7} 8] = _______?
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A. 10

B. 15

C. 7

D. 49