সব প্রশ্নে ফিরে যান
Math
Since 1999 , Roby has gained 2 kilograms of weight every year, In 2009 he was 25% heavier than in 1999 . How much did Roby weigh in 2005?
A) 72 kg
B) 80 kg
C) 92 kg
সঠিক উত্তর
D) 100 kg