@@raghulm2454 s=1/t so, u (mon) : n(tue) s 8 9 t 9 8 so d= 72x 60% mon sp = 4.8x avg sp = total dis/ total ti total d = 144x t1 = 8x (tuesday ) t2 (return ti) = 72/4.8=15x avg sp= 144/8+15=144/23 ratio = avg sp(tue) : act sp (mo) 144/23 8 18 : 23 if it is wrong let me know the correct ans