A)84m

B)30m

C)42m

D)21m

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**ANSWER: A)84m**

A)(x+y)

B) x

C) (x+y)/2

D) x

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**ANSWER: A)(x+y) ^{2 }**

A)10cm and 8 cm

B)8cm and 12 cm

C)12 cm and 14 cm

D)4 cm and 6cm

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**ANSWER: B)8cm and 12 cm**

A) 40

B)70

C)50

D)55

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**ANSWER: B)70**

A)184m

B) 166m

C) 225m

D) 196m

View Answer / Hide Answer

**ANSWER: A)184m ^{2 }**

A) 180cm

B) 190cm

C)200cm

D)165cm

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**ANSWER: D)165cm ^{2 }**

A)a+b

B)a-b/2

C)a-b

D)None of these

View Answer / Hide Answer

**ANSWER: C)a-b**

A)32 and 28

B)29 and 21

C)16 and 24

D)32 and 18

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**ANSWER: B)29 and 21**

A) 28cm

B) 29cm

C) 18cm

D)None of these

View Answer / Hide Answer

**ANSWER: D)None of these**

A)900m

B)300m

C)600m

D)150m

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**ANSWER: A)900m**

**Area - Aptitude test questions and answers -Aptitude test (10/10/13)****Q31. If the radius of a circle is decreased by 50%, its area will decrease by**

A)80%

B)75%

C)65%

D)50%

View Answer / Hide Answer**ANSWER: B)75%****Q32. Find the area of the circle whose circumference is equal to the perimeter of a square of side 8 cm is**

A)81.38cm^{2 }

B)108.38cm^{2 }

C)181.38cm^{2 }

D)92.38cm^{2 }

View Answer / Hide Answer**ANSWER: A)81.38cm**^{2 }**Q33. A pipe is in the form of a circle of radius 28 cm , it is bent into a square .Find the side of a square**

A)88 cm

B)34cm

C)44 cm

D)38cm

View Answer / Hide Answer**ANSWER: C)44 cm****Q34. A goat is tied to a pole with 14 m long string. Find the area which the goat can graze is equal to**

A)616m^{2 }

B)280m^{2 }

C)140 m^{2 }

D)420 m^{2 }

View Answer / Hide Answer**ANSWER: A)616m**^{2 }**Q35. How many times will a wheel of diameter 98 cm rotate in covering a distance of 308m?**

A)125rev.

B)66 rev.

C)50 rev.

D)100 rev.

View Answer / Hide Answer**ANSWER: D)100 rev.****Q36. Find the approx. radius of the bigger circle if the radius of the smaller circle is 12cm and the area of a tyre is 209cm**^{2 }.

A)14 cm

B)12cm

C)13cm

D)15cm

View Answer / Hide Answer**ANSWER: A)14 cm****Q37.The length of a rectangle is increased by 40%. By what percent would the width have to be decreased to maintain the same area?**

A)60%

B)28.57%

C)30.00%

D)32%

View Answer / Hide Answer**ANSWER: B)28.57%****Q38.The perimeter of a rectangular field is 120 m and the ratio b/w the length and breadth is 4:2. The area of the field is**

A) 200m^{2 }

B)500m^{2 }

C) 400m^{2 }

D)800m^{2 }

View Answer / Hide Answer**ANSWER: D)800m**^{2 }**Q39. The inner circumference of a circular ground is 220m. The track is 22 m wide. The diameter of the outer circle of the track is**

A)114

B)120

C)57

D)85

View Answer / Hide Answer**ANSWER: A)114****Q40. If the length and breadth of a rectangular plot are increased by 40% and 20% respectively, then the new area is how many times the original area?**

A)1.80

B)1.68

C)2.10

D)2.50

View Answer / Hide Answer**ANSWER: B)1.68****Q41. The length of the sides of a triangle are in the ratio 3:4:5 and its perimeter is 144 cm. Find the area of the triangle is**

A)864 cm^{2 }

B) 800 cm^{2 }

C) 124 cm^{2 }

D) 464 cm^{2 }

View Answer / Hide Answer**ANSWER: A)864 cm**^{2 }**Q42. Find the area of an isosceles triangle, each of whose equal sides is 26 cm and whose base is 48 cm is**

A)120 cm^{2 }

B)60 cm^{2 }

C)240 cm^{2 }

D)180 cm^{2 }

View Answer / Hide Answer**ANSWER: C)240 cm**^{2 }**Q43. The base of an isosceles triangle measures 24cm and its area is 192 cm**^{2 }. Then its perimeter is

A)128

B)64

C)44

D)48

View Answer / Hide Answer**ANSWER: B)64****Q44. The difference b/w the sides at right angles in a right angled triangle is 28 cm. The area of the triangle is 240 cm**^{2 }. The approx. perimeter of the triangle

A)93.75

B)105

C)97

D)99

View Answer / Hide Answer**ANSWER: A)93.75****Q45. The length and the breadth of a seminar hall are in the ratio 5:2. A path, 2 m wide running all around the outside of the seminar hall has an area of 604 m**^{2 }. The dimensions of the hall are

A)100m and 40m

B) 120m and 60m

C)105m and 42m

D)110 and 50 m.

View Answer / Hide Answer**ANSWER: C)105m and 42m****Q46. A football ground,150 m by 120 m has two tracks each 8 m wide , running through the middle of the ground, one parallel to the length and the other parallel to breadth. The cost of gravelling the ground at Rs.9.00 per m**^{2 }is

A)18864

B)18000

C)18800

D)17651

View Answer / Hide Answer**ANSWER: A)18864****Q47.If the diameter of a circle is increased by 50, its area is increased by**

A)100%

B)75%

C)25%

D)125%

View Answer / Hide Answer**ANSWER: D)125%****Q48. The diagonal of the square shaped room A is (x+y). Then the diagonal of another square shaped room B with twice the area of A is**

A)(x+y)

B)1.414(x+y)

C)1.732(x+y)

D)2(x+y)

View Answer / Hide Answer**ANSWER: B)1.414(x+y)****Q49. The area of the largest circle that can be drawn inside a rectangle with sides 20 m by 16 m, is**

A)64 Πm^{2 }

B)8 Πm^{2 }

C)4 Πm^{2 }

D)16 Πm^{2 }

View Answer / Hide Answer**ANSWER: A)64 Πm**^{2 }**Area - Aptitude test questions and answers -Aptitude test (10/10/13)****Q11.The perimeter of a right angle triangle is 12 cm. Its hypotenuse is 5 cm, find the area of triangle?**

A) 6

B)12

C)18

D)16

View Answer / Hide Answer**ANSWER: A) 6****Q12. Find the approx. value of circumference of a circle whose area is 12m**^{2 }is

A)50

B)25

C)76

D)80

View Answer / Hide Answer**ANSWER: B)25****Q13. If the radius of a circle is decreased by 20%, then the percentage decrease in its area is**

A)63%

B)40%

C)34%

D)None of these

View Answer / Hide Answer**ANSWER: D)None of these****Q14. The radius of the driving wheel of a Car is 100cm.Then in order to keep a speed of 60km/h,how many approx. revolutions per minute must the wheel make?**

A)319

B)420

C)560

D)180

View Answer / Hide Answer**ANSWER: A)319****Q15. If the perimeter of a semi-circle is 36cm, then its diameter is**

A)23cm

B)14cm

C)32cm

D)28cm

View Answer / Hide Answer**ANSWER: B)14cm****Q16. The area of a tyre whose outer and inner radii are respectively 10 cm and 7 cm is**

A)160.28 cm^{2 }

B) 167.28cm^{2 }

C) 60.28cm^{2 }

D) 260.28cm^{2 }

View Answer / Hide Answer**ANSWER: A)160.28 cm**^{2 }**Q17. Find the area of four walls of the room ,if its height is 6m and the perimeter of a floor of a room is 36m.**

A) 77m^{2 }

B) 157m^{2 }

C) 108m^{2 }

D) 216m^{2 }

View Answer / Hide Answer**ANSWER: D) 216m**^{2 }**Q18.The ratio of the areas of the in circle and circum circle of a square are**

A)1:2

B)3:5

C)5:2

D)2:3

View Answer / Hide Answer**ANSWER: A)1:2****Q19.The minute- hand of a clock is 7cm long. The area of the face of the clock inscribed by the minute hand in 30 min is**

A)77cm^{2 }

B) 47cm^{2 }

C) 177cm^{2 }

D) 87cm^{2 }

View Answer / Hide Answer**ANSWER: A)77cm**^{2 }**Q20. The sum of areas of Two circles which touches internally is 116 Π cm**^{2 }and distance b/w the circles is 6cm,then radius of the inner circle is

A)3cm

B)5cm

C)4cm

D)7cm

View Answer / Hide Answer**ANSWER: C)4cm****Q21.The diagonal field measures 60m.Find the area of square field ?**

A) 1600m^{2 }

B) 400m^{2 }

C)1800m^{2 }

D) 2400m^{2 }

View Answer / Hide Answer**ANSWER: C)1800m**^{2 }**Q22. The area of an equilateral triangle is with side 8cm is**

A)16.81cm^{2 }

B)34cm^{2 }

C) 54cm^{2 }

D)27.71cm^{2 }

View Answer / Hide Answer**ANSWER: D)27.71cm**^{2 }**Q23.The area of a rhombus whose one side and one diagonal measure 20 cm and 24 cm respectively is**

A)232cm^{2 }

B)423cm^{2 }

C)384cm^{2 }

D)154cm^{2 }

View Answer / Hide Answer**ANSWER: C)384cm**^{2 }**Q24. Find the area if the circumference of a circle is 44m.**

A)154m^{2 }

B)14m^{2 }

C)124m^{2 }

D)214m^{2 }

View Answer / Hide Answer**ANSWER: A)154m**^{2 }**Q25. A room is 50m by 30 m. It has a uniform carpet 2 m wide all around it on the inside. Find the area of the path is**

A)156m^{2 }

B) 144m^{2 }

C) 148m^{2 }

D) 100m^{2 }

View Answer / Hide Answer**ANSWER: A)156m**^{2 }**Q26. Find the area of the rectangle if the length of a rectangle is 4cm more than its breadth and perimeter is 96cm.**

A) 324cm^{2 }

B) 224cm^{2 }

C) 272cm^{2 }

D)572cm^{2 }

View Answer / Hide Answer**ANSWER: D)572cm**^{2 }**Q27.If the perimeter of a rectangular field is 100 m and its breadth is 20m, then its area (in m**^{2 }) is

A) 600m^{2 }

B) 1600m^{2 }

C) 1800m^{2 }

D) 200m^{2 }

View Answer / Hide Answer**ANSWER: A) 600m**^{2 }**Q28. In a circle of radius 22 cm, an arc subtends an angle of 52 ° at the centre. Find the length of an arc**

A)17.77cm

B)21.05cm

C)19.97cm

D)22.22cm

View Answer / Hide Answer**ANSWER: C)19.97cm****Q29. Find the sum of the length of two diagonals of a square is 220cm, then the perimeter of square is**

A)166.66 cm

B)172.80cm

C)188cm

D)155.54 cm

View Answer / Hide Answer**ANSWER: D)155.54 cm****Q30. An isosceles right angle triangle has area 72 cm**^{2 }, then find the approx. length of hypotenuse?

A)17cm

B)24cm

C)31cm

D)34cm

View Answer / Hide Answer**ANSWER: A)17cm**

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