mathematics MCQs – Page 164

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 Review each marked answer and report any item that may be outdated or unclear.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

3261. The diagonal of a square is 4?2cm. The diagonal is another square whose area is double that of the first square is__________?
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A. 4?2cm

B. 8?2cm

C. 8cm

D. 16cm

3262. The area of a square field is 6050 Sq.m.The length of it diagonal is_________?
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A. 112m

B. 110m

C. 120cm

D. 135m

3263. A circle and a rectangle have the same perimeter. The sides of the rectangle are 18cm and 26cm.What is the area of the circle?
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A. 88cm2

B. 154cm2

C. 1250cm2

D. 616cm2

3264. If the side of a square is increased by 25% then its area is increased by_________?
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A. 55%

B. 40.50%

C. 25%

D. 56.25%

3265. The area of a rhombus in 2016 Sq.cm and its side is 65cm. The length of its diagonals are________?
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A. 125cm, 35cm

B. 135cm,25cm

C. 132cm,26cm

D. 126cm,32cm

3266. If the height of a triangle is decreased by 40% and its base is increased by 40% what will be the effect on its area?
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A. 16% Decrease

B. 8%decrease

C. 16%increases

D. No change

3267. If an area enclosed by a circle or a square or an equal triangle is the same then the maximum perimeter is possessed by_________?
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A. Circle

B. Square

C. Equilateral Triangle

D. Both Triangle and Square

3268. If the length and width of a rectangular grand are each increased by 20% then what would be the percent increase in the area of the garden?
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A. 44%

B. 24%

C. 20%

D. 36%

3269. 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. 60%

B. 65%

C. 80%

D. 70%

3270. The perimeter of a rectangle is 60m. If its length is twice its breadth then its area is__________?
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A. 200m2

B. 160m2

C. 180m2

D. 220m2

3271. The sides of a triangle are in the ratio : 1/3: . If the perimeter is 52cm then the length of the smallest side is________?
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A. 10cm

B. 11cm

C. 9cm

D. 12cm

3272. The length of a rectangular plot is twice its breadth. If the area of the rectangular plot is 6075 sq.meters .what is its length?
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A. 75m

B. 135m

C. 45m

D. None of these

3273. The perimeter of a rectangle and square are 160m each. The area of the rectangle is less than that its square by 100cm meters. The less than that of the square by 100 sq.meters. the length of rectangle is___________?
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A. 40m

B. 50m

C. 60m

D. 30m

3274. 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. 300m2

B. 375m2

C. 295m2

D. 299m2

3275. The area of a rectangle is 12 sq.metres and its length is 3 times that of its breadth. What is the perimeter of the rectangle?
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A. 18m

B. 14m

C. None of these

D. 4m

3276. If the length of a rectangle is increased by 20% and its breadth is decreased by 20% then it area________?
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A. Remains unchanged

B. Decreased by 1%

C. decreased by 4%

D. Increased by 4%

3277. The largest size of bamboo that can be placed in a square of area 100 sq.meters is__________?
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A. 10m

B. 14.14m

C. 25m

D. 20m

3278. The area of largest triangle that can be inscribed in a semicircle of radius R cm is__________?
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A. 1/2 R2 cm2

B. 2R cm2

C. R2 cm2

D. 2 R2 cm2

3279. (98 / 7 / 2) / ? = 14
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A. 5-Jan

B. 4-Jan

C. 3-Jan

D. 1/2

3280. (6 2 * 3 + 6) / (2 + 6 * 3 4) = _____________?
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A. 5-Mar

B. 10-Mar

C. 8-Sep

D. 3/8

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