Multiple choice

How many bullets can be made from a sphere of radius 8 cm. so that the radius of each bullet must be 0.2 cm.? एक गोले से, जिसकी त्रिज्या 8 सेमी. है, से कितनी बुलेट बनायी जा सकती है यदि प्रत्येक बुलेट की त्रिज्या 0.2 सेमी है ?

  1. 10000

  2. 65000

  3. 62000

  4. 64000

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Volume of original sphere = (4/3)π*8³ = 2048π/3 cm³. Volume of each bullet = (4/3)π*0.2³ = 0.008π/3 cm³. Number of bullets = (2048π/3) / (0.008π/3) = 2048/0.008 = 64000. Option D is correct.