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CoCubes Areas Question and Answers Quiz-1

Question 1

Time: 00:00:00
A rabbit is tied to one end of an equilateral triangle of side 5 m with a rope length of 8 m.The rabbit is not allowed to travel inside the triangle then find the maximum area covered by the rabbit?

(96/9)*pi

(96/9)*pi

(480/9)*pi

(480/9)*pi

(240/9)*pi

(240/9)*pi

190 m^2

190 m^2

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Question 2

Time: 00:00:00
No triangles formed in a polygon having 15 sides is?

 

400

400

355

355

353

353

455

455

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Question 3

Time: 00:00:00
A golf ball has diameter equal to 4.1cm. Its surface has 150 dimples each of radius 2mm. Calculate total surface area exposed to the surroundings assuming that the dimples are hemispherical.

51.62 cm2

51.62 cm2

77.62 cm2

77.62 cm2

45.62 cm2

45.62 cm2

71.62 cm2

71.62 cm2

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Question 4

Time: 00:00:00
If a goat is tied to a pole at Point A with a rope 12 m long such that it can not enter a triangle ABC with AB=AC=10 m and angle A = 30 deg. How much area can it graze?

less than 132 pi

less than 132 pi

more than 132 pi

more than 132 pi

equal to 132 pi

equal to 132 pi

none

none

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Question 5

Time: 00:00:00
The right angled triangle PQR is to be constructed in the xy-plane, so that the right angle is at P and PR is parallel to the x-axis. The x and y coordinates of P,Q and R are to be integers that satisfy the inequality −4≤x≤5 & 6≤y≤16. How many different triangles with these properties could be constructed?

9,900

9,900

10,000

10,000

12,100

12,100

1,100

1,100

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Question 6

Time: 00:00:00
If PQRST is a parallelogram what it the ratio of triangle PQS & parallelogram PQRST

2:1

2:1

1:3

1:3

3:1

3:1

1:2

1:2

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Question 7

Time: 00:00:00
The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?

Data inadequate

Data inadequate

40

40

50

50

60

60

None of these

None of these

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Question 8

Time: 00:00:00
A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?

34

34

88

88

68

68

None of these 40

None of these 40

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Question 9

Time: 00:00:00
A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:

Rs. 458

Rs. 458

Rs. 456

Rs. 456

Rs. 558

Rs. 558

Rs. 458

Rs. 458

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Question 10

Time: 00:00:00
A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?

2.91 m

2.91 m

5.82 m

5.82 m

3 m

3 m

Data inadequate

Data inadequate

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