mathematics MCQs – Page 59

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 Review each marked answer and report any item that may be outdated or unclear.

1161. 22004 29303 + 101299 59532 = _________?
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A. 24500

B. 26000

C. 44000

D. 34500
1162. The perimeter of a semi circle is 144 cm then the radius is_________?
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A. 25 cm

B. 28 cm

C. 35 cm

D. 30 cm

1163. A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be________?
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A. 15 m, 10 m

B. 14 m, 11 m

C. 12 m, 10 m

D. 13 m, 12 m

1164. Find the least number of five digits which is exactly divisible by 12, 15 and 18?
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A. 1080

B. 10080

C. 11080

D. 10025

1165. A typist uses a paper 30cm x 15cm.He leaves a margin at 2.5cm at the top and the bottom and 12.5cm on either side. What percentage of paper area is approximately available for typing
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A. 70%

B. 60%

C. 80%

D. 65%

1166. The number of rounds that a wheel of diameter 7/11 m will make in going 4 km is:_________?
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A. 1700

B. 1500

C. 1000

D. 2000
1167. The length of a rectangle is increased by 25% and its breadth is decreased by 20%. What is the effect on its area?
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A. 10% increase

B. 5% increase

C. 5% decrease

D. Remains same
1168. The ratio of the area of a square to that of the square drawn on its diagonal is?
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A. 3:05

B. 1:2

C. 3:04

D. 2:05

1169. Product of two co-prime numbers is 117. Their L.C.M should be__________?
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A. 1

B. equal to their H.C.F

C. 117

D. Cannot be calculated

1170. A big rectangular plot of area 4320 Sq.m is divided into 3 square shaped smaller plots by fencing parallel to the smaller side of the plot. However, some area of land was still left as a square plot could not be formed. So 3 more square shaped plots were formed by fencing parallel to the longer side of the original plot. Such that no area of the plot was left a surplus. What are the dimensions of the original plot?
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A. 120m 36m

B. 160m 27m

C. 240m 18m

D. 135m 32m

1171. The length of a rectangle is twice its breadth, if length is decreased by 5 cm and the breadth is increased by 5 cm. The length of the rectangle is_________?
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A. 20 cm

B. 40 cm

C. 50 cm

D. 30 cm

1172. Two numbers 4242 and 2903 when divided by a certain number of three digits, leave the same remainder. Find the number?
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A. 113

B. 103

C. 101

D. 107

1173. A hall is a 15m long and 12m board. If the sum of the areas of the floor and the ceiling is equal to the areas of the 4 walls the volume of the hall is:
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A. 361 Sq.cm

B. None of these

C. 1200 Cu.m

D. 720 Cu.m

1174. The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is_________?
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A. 10 m

B. 8 m

C. 6 m

D. 12 m

1175. If the length of diagonal AC of a square ABCD is 5.2 cm then area of the square ABCD is_________?
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A. 15.12 sq.cm

B. 13.52 sq.cm

C. 12.62 sq.cm

D. 10 sq.cm

1176. The smallest fraction, which each of 6/7, 5/14, 10/21 will divide exactly is_________?
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A. 60/147

B. 50/294

C. 30/7

D. 30/98

1177. Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is________?
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A. 75

B. 85

C. 89

D. 81

1178. HCF and LCM two numbers are 12 and 396 respectively. If one of the numbers is 36, then the other number is_______?
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A. 36

B. 132

C. 66

D. 264

1179. Which of the following fractions is the largest?
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A. 31/40

B. 7/8

C. 13/16

D. 63/80

1180. The areas of two similar triangles are 12 cm2 and 48SQ. cm .If the height of the smaller one is 2.1cm than the corresponding height of the bigger one is_________?
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A. 4.2cm

B. 80%

C. 60%

D. 0.525cm