mathematics MCQs – Page 63

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 Review each marked answer and report any item that may be outdated or unclear.

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

1251. If the side of a square is increased by 25% then its area is increased by_________?
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A. 56.25%

B. 55%

C. 25%

D. 40.50%

1252. Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?
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A. 240 seconds

B. 243 seconds

C. 242 seconds

D. 246 seconds

1253. An officer was appointed on maximum daily wages on contract money of Rs. 4956. But on being absent for some days, he was paid only Rs. 3894. For how many days was he absent?
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A. 3

B. 5

C. 4

D. 6

1254. A merchant has three different types of milk: 435 liters, 493 liters and 551 liters. Find the least number of casks of equal size required to store all the milk without mixing.
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A. 47

B. 45

C. 61

D. 51
1255. Which of the following has the most number of divisors?
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A. 99

B. 176

C. 101

D. 182

1256. The perimeter of a rectangle is 60m. If its length is twice its breadth then its area is__________?
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A. 200m2

B. 220m<sup>2</sup>

C. 160m<sup>2</sup>

D. 180m<sup>2</sup>

1257. A rectangular grass field is 75 m * 55 m, it has a path of 2.5 m wide all round it on the outside. Find the area of the path and the cost of constructing it at Rs.2 per sq m?
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A. 675, Rs.1350

B. 575, Rs.1350

C. None

D. 1350, Rs.675

1258. A paper is in a square form whose one side is 20 cm. Two semi circles are drawn on its opposites as diameters. If these semi circles are cut down what is the area of the remaining paper?
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A. (400 2?) cm<sup>2</sup

B. (400 200?) cm<sup>2</sup

C. 200? cm<sup>2</sup

D. (400 100?) cm2
1259. The ratio of numbers is 3:4 and their H.C.F is 4. Their L.C.M is__________?
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A. 16

B. 12

C. 24

D. 48
1260. Find the least number which when divide by 2, 3, 4, 5 and 6 leaves 1, 2, 3, 4 and 5 as remainders respectively, but when divided by 7 leaves no remainder?
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A. 126

B. 119

C. 210

D. 154