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PQR is a triangle, whose area is 180 cm^...

PQR is a triangle, whose area is 180 `cm^(2)`. S is a point on side QR, such that PS is the angle bisector of `angleQPR`. If PQ: PR = 2: 3, then what is the area (in `cm^(2)`) triangle PSR?

A

90

B

108

C

144

D

72

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CHAMPION PUBLICATION-2017 TIER-II PAPER(10)-EXERCISE
  1. The distance between the centres of two circles is 61 cm and their rad...

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  2. In the given figure, PQRS is a quadrilateral. If QR = 18 cm and PS = 9...

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  3. PQR is a triangle, whose area is 180 cm^(2). S is a point on side QR, ...

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  4. In the given figure, ABCD is a square. EFGH is a square formed by join...

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  5. ABCDEF is a regular hexagon of side 12cm. What is the area (in cm^2) o...

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  6. PQRS is a square whose side is 16 cm. What is the value of the side (i...

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  7. In the given figure, PQRS is a rectangle and a semicircle with SR as d...

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  8. In the given figure, PQR is a quadrant whose radius is 7cm.A circle is...

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  9. A prism has a regular hexagonal base with side 6cm. If the total surfa...

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  10. The radius of base of solid cone is 9cm and its height is 21cm. It cut...

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  11. A right circular cylinder has height as 18cm and radius as 7cm. The cy...

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  12. The ratio of curved surface area and volume of a cylinder is 1: 7. The...

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  13. The ratio of total surface area and volume of a sphere is 1 : 7. This ...

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  14. A hemisphere is kept on top of a cube. Its front view is shown in the ...

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  15. "A solid cube has side 8 cm. It is cut along diagonals) of top face to...

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  16. A regular pyramid has a square base. The height of the pyramid is 22 c...

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  17. What is the value of [sin (y- z) +sin (y + z) + 2 sin y]//[sin (x-z) +...

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  18. What is the value of {sin (x+y) -2 sin x+ sin(x-y)} /[cos (x-y) +co...

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  19. What is the value of [sin (90^@-10 theta) -cos (pi- 6 theta)]//[cos (p...

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  20. If sec theta (cos theta + sin theta) = sqrt2, then what is the value o...

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