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30 cm വ്യാസമുള്ള ഒരു ഗോളത്തിൽ നിന്ന് 5 cm ആരമുള്ള എത്ര ഗോളങ്ങൾ ഉരുക്കിയെടുക്കാം?

A216

B27

C8

D10

Answer:

B. 27

Read Explanation:

30 cm വ്യാസമുള്ള ഗോളത്തിന്റെ വ്യാപ്തം =4/3 πr³ =4/3 π (15)³ 5cm ആരമുള്ള ഗോളത്തിന്റെ വ്യാപ്തം =4/3 π 5³ 30 cm വ്യാസമുള്ള ഒരു ഗോളത്തിൽ നിന്ന് 5 cm ആരമുള്ള എത്ര ഗോളങ്ങൾ ഉരുക്കിയെടുക്കാം =4/3 π (15)³ / 4/3 π 5³ =27


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