Rohanpreet obtained 548 marks out of 800 and Rahman obtained 460 marks out of 600 in Mathematics.Whose performance is better?
Rohanpreet obtained =548800=137200
Rahman obtained =460600=2330
L.C.M(30,200)=600
137200=137×3200×3=411600
2330=23×2030×20=460600
460600>411600
∴ Rahman's performance is better than Rohanpreet.