mathematics MCQs – Page 159

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 Review each marked answer and report any item that may be outdated or unclear.

mathematics Mcqs

3161. A circular path of 13 m radius has marginal walk 2 m wide all round it. Find the cost of leveling the walk at 25p per m2?
0

A. Rs.78

B. Rs.44

C. Rs.45

D. Rs.40

3162. If a square and a rhombus stand on the same base then the ratio of the areas of the squares and the rhombus is:_________?
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A. equal to

B. equal to 1

C. greater than 1

D. equal to 1/2

3163. The ratio of the radius of two circles is 1: 3, and then the ratio of their areas is_________?
0

A. 1:9

B. 1:06

C. 1:05

D. 1:03

3164. A rectangular water tank is open at the top. Its capacity is 24Cu.m.Its length and breadth are 4m and 3m respectively. Ignoring the thickness of the material used for building the tank the total cost of painting the inner and outer surface of the tank at Rs. 10 per Sq.m is_________?
0

A. Rs.800

B. Rs.600

C. Rs.400

D. Rs.500

3165. If the area of circle is 616 sq cm then its circumference?
0

A. 88 m

B. 70 m

C. 75 m

D. 78 m

3166. The area of sector of a circle whose radius is 12 metro and whose angle at the center is 42 is?
0

A. 39.6 m2

B. 79.2 m2

C. 26.4 m2

D. 52.8 m2

3167. Area of a square with side x is equal to the area of a triangle with base x. The altitude of the triangle is:________?
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A. 2x

B. x

C. 4x

D. x/2

3168. A room is 12 m long and 7w wide. The maximum length of a square tile to fill the floor of the room with whole number of its tiles should be_________?
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A. 150cm

B. 175cm

C. 200cm

D. 125cm

3169. A wheel makes 1000 revolutions is covering a distance of 88 km. the diameter of the wheel is
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A. 24m

B. 28m

C. 40m

D. 14m

3170. 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?
0

A. 32 m

B. 20 m

C. 16 m

D. 31 m

3171. The length and breadth of a rectangle is increased by 10% and 25% respectively. What is the increase in the area?
0

A. 27.50%

B. 37.5%

C. 47.50%

D. 57.50%

3172. The difference between the radi of the smaller circle and the bigger circle is 7cm and the difference between the area of two circles is 1078Sq.cm Radius of the smaller circle is_________?
0

A. 17.5cm

B. 21cm

C. None of these

D. 28cm

3173. The length of a rope by which a cow must be tethered in order that she may be able to graze an area of 9856 sq.m is:________?
0

A. 56m

B. 88m

C. 64m

D. 168m

3174. 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?
0

A. 30

B. 60

C. None of these

D. 20

3175. If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is________?
0

A. 200 m

B. 600 m

C. 650 m

D. 300 m

3176. If the radius of a circle be reduced by 50% its area is reduced by:_________?
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A. 50%

B. 75%

C. 100%

D. 25%

3177. The area of a sector of a circle of radius 5 cm formed by an arc of length 3.5 cm is__________?
0

A. 17.5 cm2

B. 8.75 cm2

C. 55 cm2

D. 0.35 cm2

3178. 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. 1520 m2

B. 2520 m2

C. 2480 m2

D. 2420 m2

3179. If the side of a square is increased by 25 % then how much percent does its area get increased:
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A. 125

B. 50

C. 56.25

D. 156.25

3180. A circular wire of radius 42 cm is cut and bent in the form of a rectangle whose sides are in the ration of 6:5 The smaller side if the rectangle is:_________?
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A. 72 cm

B. 30 cm

C. 132 cm

D. 60 cm

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