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If the radius of a right circular cylind...

If the radius of a right circular cylinder is decreased by 20% while its height is increased by 40%, then the percentage change in its volume will be :
यदि किसी लम्ब वृत्तीय बेलन की त्रिज्या 20% कम कर दी जाए और इसकी ऊंचाई 40% बढ़ा दी जाए, तो इसके आयतन में आने वाला प्रतिशत परिवर्तन होगा :

A

1.04% increase

B

10.4% decrease

C

No increase

D

10.4% increase

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PINNACLE-MENSURATION-EXERCISE
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  4. If the radius of the base of a cone is doubled, and the volume of the ...

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  5. If the diameter of the base of a cone is 42 cm and its curved surface ...

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  11. If the radius of a sphere is increased by 4 cm, its surface area is in...

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  12. The volume of a right pyramid is 45 sqrt3 cm^3 and its base is an equi...

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  13. The area of the base of a right circular cone is 400 pi and its height...

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  14. The base of a right prism is a triangle with sides 20 cm, 21 cm and 29...

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  15. A cylindrical vessel of radius 3.5 m is full of water. If 15400 litres...

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  16. A solid metallic sphere of radius 8 cm is melted and drawn into a wire...

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  17. The sides of a triangle are 56 cm, 90 cm and 106 cm. The circumference...

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  18. The base of a right pyramid is an equilateral triangle with side 8 cm,...

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