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Q:

The height of a cone is 24 cm and the area of the base is 154 cm2 . What is the curved surface area (in cm2) of the cone?

A) 484 B) 550
C) 525 D) 515
 
Answer & Explanation Answer: B) 550

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Q:

The base of a prism is in the shape of an equilateral triangle. If the perimeter of the base is 18 cm and the height of the prism is 20 cm, then what is the volume (in cm3) of the prism?

A) 60√3 B) 30√6
C) 60√2 D) not know
 
Answer & Explanation Answer: D) not know

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Q:

In the given figure, ,PQRS is a square whose side is 8 cm. PQS and QPR are two quadrants. A circle isplaced touching both the quadrants and the square as shown in the figure. What is the area (in sq.cm) of the circle?

A) 13/17 B) 11/14
C) 19/31 D) 15/19
 
Answer & Explanation Answer: B) 11/14

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Q:

There is a circular garden of radius 21 metres. A path of width 3.5 metres is constructed just outside the garden. What is the area (in metres2) of the path?

A) 50.05 B) 57.56
C) 52.12 D) none
 
Answer & Explanation Answer: D) none

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Q:

ABCD is square and CDE is an equilateral triangle outside the square. What is the value (in degrees) of ∠BEC?

A) 15 B) 30
C) 25 D) 10
 
Answer & Explanation Answer: A) 15

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Q:

If ABCDEF is a regular hexagon, then what is the value (in degrees) of ∠ADB?

A) 15 B) 30
C) 45 D) 60
 
Answer & Explanation Answer: B) 30

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Q:

PQRS is a square whose side is 20 cm. By joining opposite vertices of PQRS are get four triangles. What is the sum of the perimeters of the four triangles?

A) 40√2 B) 80√2 + 80
C) 40√2 + 40 D) 40√2 + 80
 
Answer & Explanation Answer: B) 80√2 + 80

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Q:

PQR is a right angled triangle in which PQ = QR. If the hypotenuse of the triangle is 20 cm, then what is the area (in cm2) of the triangle PQR?

A) 100√2 B) 100
C) 50√2 D) 50
 
Answer & Explanation Answer: B) 100

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