A tree increases annually by 1/8 of its height. By how much will it increase after 2 years, if it stands today 64 cm high?
সমাধান
সঠিক উত্তর: Option D
1st year = 64/8 = 8 cm
Total height after 1 year = 64+8 = 72 cm
2nd year = 72/8 = 9 cm
Total height after 2 years = 72+9 = 81 cm