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MANOJ KUMAR

· started a discussion

· 1 Months ago

ratio of radius to big cone and small cone is 2:1 then volume ratio is 8:1
hence 7 part is the required volume.8 part is 1540 then 7 part is 1347.5

Question:

Volume of a cone is 1540 cm3 and radius of its base is 7cm. It is filled with water up to half of the depth. What is the amount of the water inside the cone ?

Options:
A)

1547.5 cm3

B)

1545.5 cm3

C)

1347.5 cm3

D)

1247.5 cm3

Solution:

Ans: (c)

  

Munfaij Khan

· commented

· 1 Months ago

ooooo jhandu.......aapne dimaag to sahi lagaya lekin last mein 1th part nikalenge...............detail se bataun kya.....8th part=1540 then 1th part batana hei.......kyunki cone ko ulta karke bharenge ullu

Abhishek

· commented

· 1 Months ago

good shortcut

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