mathematics MCQs – Page 158

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 Review each marked answer and report any item that may be outdated or unclear.

3141. The perimeter of a semi circle is 144 cm then the radius is_________?
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A. 30 cm

B. 35 cm

C. 28 cm

D. 25 cm

3142. The number of rounds that a wheel of diameter 7/11 m will make in going 4 km is:_________?
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A. 2000

B. 1500

C. 1700

D. 1000

3143. A rectangle has 15 cm as its length and 159 cm<sup>2
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A. 60 cm

B. 80 cm

C. 70 cm

D. 50 cm

3144. 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. 450?15

B. 320 sq.m

C. 480 sq.m

D. 600?15 sq.m
3145. A rectangular lawn of dimensions 80 m * 60 m has two roads each 10 m wide running in the middle of the lawn, one parallel to the length and the other parallel to the breadth. What is the cost of traveling the two roads at Rs.3 per sq m?
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A. Rs.3600

B. Rs.3900

C. Rs.3800

D. Rs.3700

3146. 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. 12cm,24cm

B. 24 cm,48cm

C. 6cm,12cm

D. 6?2cm,12?2cm

3147. A path of uniform width turns the inside of a rectangular field 38m long and 32m wide. IF the path occupies 600 m<sup>2
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A. 3m

B. 5m

C. 10m

D. 8.75m

3148. 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. 30m

B. 25m

C. None of these

D. 44m

3149. Find the area of circle whose radius is 7m?
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A. 124 sq m

B. 167 sq m

C. 145 sq m

D. 154 sq m
3150. The radius of a semi circle is 6.3 cm then its perimeter is?
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A. 32.4 cm

B. 35.4 cm

C. 32 cm

D. 30 cm

3151. Which one of the following has a greater perimeter than the rest?
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A. A square with an area of 36 sq.cm

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

C. A circle with a radius of 4 cm

D. An Equilateral Triangle with a side of 9 cm

3152. The surface area of a (10cm x 4cm x3cm) brick is__________?
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A. 84 Sq.cm

B. 124 Sq.cm

C. 180 Sq.cm

D. 164 Sq.cm
3153. 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. Data Inadequate

B. 2

C. 1

D. 4

3154. The area of a square field 3136 sq m, if the length of cost of drawing barbed wire 3 m around the field at the rate of Rs.1.50 per meter. Two gates of 1 m width each are to be left for entrance. What is the total cost?
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A. Rs.1140

B. Rs.999

C. Rs.1085

D. Rs.1014

3155. A covered wooden box has the inner measure as 115cm 75cm and 35cm and the thickness of wood is 2.5cm. The volume of the wood is____________?
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A. 81775cu.cm

B. 81000cu.cm

C. 82125cu.cm

D. None of these

3156. How many meters of carpet 63cm will be required to be a floor of a room 14m by 9cm?
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A. 210m

B. 200m

C. 185m

D. 220m

3157. 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. 425

B. 476

C. 350

D. 450

3158. What is the ratio between perimeters of two squares one having 3 times the diagonal then the other?
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A. 4:08

B. 3:1

C. 6:02

D. 1:04

3159. 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. 20cm

C. 23cm

D. 26cm
3160. 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. 200m

B. 150m

C. 50m

D. 100m