Question

(4) 120 (3) 58 5. A drum is two-third full. If 50 L more required to fill it up, how much is the capacity of the drum? (1) 150 L (2) 120L (3) 100 L (4) 90 L​

Answer 1

QUESTION:

• A drum is two-third full. If 50 L more required to fill it up, how much is the capacity of the drum? (1) 150 L (2) 120L (3) 100 L (4) 90 L

ANSWER:

• OPTION 'A' - > 150 LITRES

EXPLANATION:

LET TOTAL CAPACITY BE 'X' LITRES

ITS GIVEN THAT IT IS ALREADY 2/3 FULL OF THE TOTAL LITRES

ACCORDING TO THE QUESTION,

$\\ \\ \\ x = 50 + \frac{2}{3} x \\ \\ \\ \\ x - \frac{2}{3} x = 50 \\ \\ \\ \\ \frac{3x - 2x}{3} =5 0 \\ \\ \\ \\ \frac{x}{3} = 50 \\ \\ \\ \\ x = 150 \: litres$