A walks at 4 kmph and 4 hours.after his start, B cyc1es after him at 10, kmph.How far from the' start does a catch up with A
1) 16.7 km
2) 18.6km
3) 21.5 km
4) 26.7
By how much is one-third of 156 more than two-fifth of 115 ?
.(1) 110
(2) 41
(3)29
(4) 6
