mathematics MCQs – Page 65

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 Review each marked answer and report any item that may be outdated or unclear.

1281. In a rhombus whose area is 144 sq.cm on of its diagonals is twice as long as the other. The lengths of its diagonals are:_________?
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A. 24 cm,48cm

B. 6cm,12cm

C. 6?2cm,12?2cm

D. 12cm,24cm
1282. The least number which when add 3 to it, completely divided 8, 12 and 18 is_______?
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A. 69

B. 71

C. 68

D. 70

1283. What is the area of a square field whose diagonal of length 20 m?
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A. 300 sq m

B. 250 sq m

C. 400 sq m

D. 200 sq m
1284. The area of the base of a rectangular tank is 6500Sq.cm and the volume of water containing in it is 2-6 cubic meters. The depth of the water in the tank is
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A. 3m

B. 4m

C. 2.5m

D. 5.5m

1285. What is the diameter of a wheel that makes 113 revolution to go 2km 26 decametre?
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A. 6 4/11m

B. 12 4/11m

C. 12 8/11m

D. 4 4/13 m

1286. If (4<sup>61
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A. 11

B. 13

C. 3

D. None of these
1287. A heap of stones can be made up into groups of 21. When made up into groups of 16, 20, 25 and 45 there are 3 stones left in each case. How many stones at least can there be in the heap?
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A. 7203

B. 2403

C. 3603

D. 4803

1288. A rectangular carpet has an area of 60 sq.m its diagonal and longer side together equal 5 times the shorter side. The length of the carpet is:_________?
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A. 13m

B. 12m

C. 5m

D. 14.5m

1289. A rectangular farm has to be fenced one long side, one short side and the diagonal. If the cost of fencing is Rs.10 per meter. The area of farm is 1200 m2 and the short side is 30 m long. How much would the job cost?
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A. Rs.1200

B. Rs.700

C. Rs.1500

D. Rs.1400

1290. The radius of a circular wheel is 1.75 m, how many revolutions will it make in traveling 1 km?
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A. 1000

B. 4000

C. 3000

D. 2000

1291. What is the least number which when divided by 8, 12, 18 and 24 leaves the remainders 4, 8, 14 and 20 respectively?
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A. 78

B. 58

C. 68

D. None

1292. The sum of the length breadth and depth of cuboid is 19cm and its diagonal is 5?5 cm its surface area is_________?
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A. 125 Sq.cm

B. None of these

C. 236 Sq.cm

D. 361 Sq.cm

1293. If the diagonal of a square is doubled. How does the area of the square change?
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A. Becomes fourfold

B. Becomes twofold

C. Becomes threefold

D. none of the above

1294. The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is__________?
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A. 2520 m2

B. 2480 m2

C. 2420 m2

D. 1520 m2

1295. The length of a rectangular room is 4 meters. If it can be partitioned into two equal square rooms. What is the length of each partition in meters:________?
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A. 4

B. 1

C. Data Inadequate

D. 2
1296. Sides of a rectangular park are in the ratio 3: 2 and its area is 3750 sq m, the cost of fencing it at 50 ps per meter is_______?
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A. Rs.150

B. Rs.125

C. Rs.175

D. Rs.100

1297. 421 * 0.9 + 130 * 101 + 10000 = ___________?
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A. 33500

B. 23500

C. 22500

D. 24500

1298. The product of two digits number is 2160 and their HCF is 12. The numbers are________?
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A. -12,180

B. (96,25)

C. (72,30)

D. (36,60)
1299. Find the least number which when divided by 35 leaves remainder 25, when divided by 25 leaves remainder 15 and when divided by 15 leaves remainder 5?
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A. 518

B. 435

C. 420

D. 515
1300. In finding the HCF of two numbers, the last divisor was 41 and the successive quotients, starting from the first, where 2, 4 and 2. The numbers are______?
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A. 700,400

B. 800,500

C. 820,360

D. 820,369