Divide Rs. 2430 among A, B and C so that if their shares are diminished by Rs. 5, Rs. 10, Rs. 15 respectively, the remaining are in the ratio 3 : 4 : 5. Then what is their actual share?
1
700, 1015, 715
2
810, 1100, 520
3
605, 810, 1015
4
none of these