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Diameter of a jar cylindrical in shap...

Diameter of a jar cylindrical in shape is increased by 25%. By what percent must the height be decreased so that there is not change in its volume? (a) 10 (b) 25 (c) 36 (d) 50

A

36

B

54

C

10

D

25

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The correct Answer is:
A
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ARIHANT PUBLICATION PUNJAB-MENSURATION-Chapter Exercise
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  2. The ratio between the length and perimeter of a rectangular plot is 1 ...

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  3. Diameter of a jar cylindrical in shape is increased by 25%. By what...

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  4. Two square have sides x cma nd (2 x + 1) cm, respectively . The sum of...

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  5. If the circumference of a circle is 3 cm, then its area, in cm^(2) is

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  6. The area of a rectangle is A cm ^(2) and length is l cm. Its perimet...

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  7. A cube has a volume125 cm^(3) . Area of its one face is

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  8. A square and a circle have equal perimeters. The ratio of the area of ...

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  9. The circumference of the circular base of a cylinder is 44 cm and its ...

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  10. ABCD is a square with AB =(x = 16) cm and BC = (3x) cm . The perimete...

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  11. The scale of a map is given as 1 : 10000 . On the map, a forest occup...

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  12. 42 cubes each of side 1 cm area glured together to form a solid cubo...

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  13. The area of a trapezium -shaped field is 720 m^(2) , the distance bet...

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  14. The base of isosceles Delta ABC is 48 cm and its area is 168 cm^(2) ...

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  15. The area of square is (16)/(pi) area of a circle. The ratio of the si...

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  16. Four times the area of the curved surface of a cylinder is equal to 6 ...

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  17. If a, b and c are respectively the number of faces, edges and vertices...

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  18. The ratii of two cylinders are in the ratio 2 : 3 and their heights ar...

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  19. The perimeter of a trapezium is 104 cm, the lengths of its non-paralle...

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  20. If each edge of a solid cube is increased by 150% , the percentage i...

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