If $\dfrac{2}{3}$ of a tank can be filled with $80$ L, the full tank capacity (in litres) is:

If $\dfrac{2}{3}$ of a tank can be filled with $80$ L, the full tank capacity (in litres) is:
  1. $100$
  2. $120$
  3. $130$
  4. $160$

Solution

Full capacity $= 80 \div \dfrac{2}{3} = 80 \times \dfrac{3}{2} = 120$ L.

Asked in: IMO

Practice more DIRECT AND INVERSE PROPORTIONS questions on Aicharya