wiz-icon
MyQuestionIcon
MyQuestionIcon
3
You visited us 3 times! Enjoying our articles? Unlock Full Access!
Question

The diameter of the iron ball used for the shot -put game is 14 cm . It is melted and then a solid cylinder of height 213 cm is made . what will be the diameter of the base of the cylinder ?

A
14cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
143cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
28cm
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
283cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 28cm
Volume of sphere =43πr3

r=7cm

vol. of sphere =43π(7)3=1372π3cm3 __(1)

vol of cylinder =πR2h __(2)

from eq (1) and (2)

43π(7)(7)(7)=π(R)(R)73

R=14cm

Diameter of cylinder =28cm

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon