Question

the cost of making solid sphere ball is rps 33957 at rate of rps 7/cm. find radius

Answer 1

cost = rate * volume of sphere
33957= 7* (4/3)*(22/7)(r)³
(r)³ = (33957*3*7)/(7*4*22)= 441*21/8 = (21/2)³
r = 10.5 cm