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

mathematics Mcqs

1151. The perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area?
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A. 220 cm<sup>2</sup>

B. 280 cm<sup>2</sup>

C. 240 cm2

D. 260 cm<sup>2</sup>

1152. Total area of the 64 small squares of aches board is 400cm2. There is 3cm wide border around the chess board. What is the length of each side of the chess board?
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A. 17cm

B. 26cm

C. 23cm

D. 20cm

1153. Find the H.C.F of 204, 1190 and 1445?
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A. 204

B. 34

C. 85

D. 17

1154. A wholesale tea dealer 408 kilograms, 468 kilograms and 516 kilograms of three different qualities of tea. He wants it all to be packed into boxes of equal size without mixing. Find the capacity of the largest possible box?
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A. 12

B. 24

C. 36

D. 50

1155. The area of a rectangle is thrice that of a square. The length of the rectangle is 40 cm and the breadth of the rectangle is (3/2) times of the square. The side of the square in cm is__________?
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A. 60

B. 15

C. 30

D. 20

1156. 5/8 * 2<sup>(2/5 5/4)
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A. 5-Jun

B. 1/5

C. 5-Apr

D. 5-Aug

1157. Bilals room has a floor of 8m by 4m. He decides to tile the floor with tiles of 25cm x 20 cm. How many tiles will he need?
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A. 6.4 tiles

B. 160 tiles

C. 640 tiles

D. 320 tiles

1158. Find the number of square tiles to cover the floor of a room measuring 4 m * 9 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?
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A. 350

B. 450

C. 425

D. 476

1159. If the radius of a circle is increased to 3 times, then how many times will its circumference be increased?
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A. 9times

B. 3times

C. 1/3 times

D. 2times

1160. If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocal of the numbers is equal to___________?
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A. 601/55

B. 55/601

C. 120/11

D. 11/120

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

1181. Find the area of circle whose radius is 7m?
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A. 145 sq m

B. 154 sq m

C. 124 sq m

D. 167 sq m

1182. One side of a rectangular field is 4 m and its length along diagonal is 5 m. What is the area of the field?
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A. 4?14 sq m

B. 15 sq m

C. 12 sq m

D. 20 sq m

1183. The ratio between the length and breadth of a rectangular field is 5:4. If the breadth is 20 meters less than the length. The perimeter of the field is_________?
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A. None of these

B. 260m

C. 280m

D. 360m

1184. If the base of rectangle is increased by 10 % and the area is unchanged then the corresponding altitude must be decreased by:________?
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A. 11.11%

B. 9 1/11 %

C. 11%

D. 10%

1185. A rectangular field has dimensions 25m by 15m. Two mutually perpendicular passage of 2m width have been left in its central part and grass has been grown in rest of the field. The area under the grass is____________?
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A. 295m<sup>2</sup>

B. 375m<sup>2</sup>

C. 300m<sup>2</sup>

D. 299m2

1186. The product of two numbers is 4107. If the H.C.F of these numbers is 37, then the greater number is_________?
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A. 111

B. 101

C. 107

D. 185

1187. Three men start together to travel the same way around a circular track of 11 kilometers in circumference. Their speeds are 4, 5 and 8 kilometers per hour respectively. When will they meet at a starting point?
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A. 11 hours

B. 12 hours

C. 22 hours

D. 220 hours

1188. A wheel makes 1000 revolutions is covering a distance of 88 km. the diameter of the wheel is
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A. 40m

B. 24m

C. 14m

D. 28m

1189. If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is________?
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A. 600 m

B. 650 m

C. 300 m

D. 200 m

1190. A rectangular measure 8cm on length and its diagonals measures 10cm what is the perimeter of the rectangular?
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A. 28cm

B. 18cm

C. 38cm

D. 36cm

1191. If the wheel is 14 cm then the number of revolutions to cover a distance of 1056 cm is?
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A. 14

B. 12

C. 10

D. 15

1192. The Length of a plot is four times is breadth. A playground measuring 1200 square meters occupies a third of the total area of the plot. What is the length of the plot in meters?
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A. None of these

B. 30

C. 60

D. 20

1193. The length and breadth of a rectangular piece of land are in the ratio of 5:3. The owner spent Rs 3000 for surroundings it from are the sides at Rs 7.50 per meter. The difference between is length and breadth is_________?
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A. 50m

B. 150m

C. 200m

D. 100m

1194. The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
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A. 50% increase

B. 25% increase

C. 50% decrease

D. 75% decrease

1195. LCM of two numbers is 138. But their (Greatest common divisor) GCD is 23. The numbers are in a ratio 1:6. Which is the largest number amongst the two?
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A. 138

B. 69

C. 46

D. 23

1196. In a Circle of Radius 5 cm if AB and AC are two equal chords of length 6cm each, then the length of chord BC is___________?
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A. 24/5 cm

B. 12/5 cm

C. None of these

D. 7/5 cm

1197. There are four prime numbers written in ascending order of magnitude. The product of the first three is 7429 and of the last three is 12673. Find the fourth number?
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A. 29

B. 17

C. 31

D. 23

1198. The length of the rectangular field is double its width. Inside the field there is square shaped pond 8m long. If the area of the pond is 1/8 of the area of the field. What is the length of the field?
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A. 16 m

B. 20 m

C. 31 m

D. 32 m

1199. Five bells first begin to toll together and then at intervals of 5, 10, 15, 20 and 25 seconds respectively. After what interval of time will they toll again together?
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A. 5.2 min

B. None

C. 5.5 min

D. 5 min

1200. The wire bent in the form of a square enclose an area of 484 Sq.cm. If the same wire is bent so as to from a circle than the area enclosed will be_________?
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A. 538 2/7 Sq.cm

B. 484Sq.cm

C. 616 Sq.cm

D. 644 Sq.cm

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