Math Questions for SSC CHSL and RRB NTPC EXAM Posted byadmin Published On January 7th, 2017 Leave a comment on Math Questions for SSC CHSL and RRB NTPC EXAM Q1. Find the number of lead balls of diameter 1 cm each, that can be made from a sphere of diameter 16 cm (a) 4096 (b) 512 (c) 1028 (d) 2048 CLICK HERE