The smaller quantity is sold for (rs 3360)/(120 L) = rs 28/L.

The larger quantity is sold for (rs 6120)/(240 L) = rs 25.5/L.

The latter price represents a price adjustment of

(25.5/28 - 1)*100% ≈ -8.93%

The

_____

The actual value is 8 13/14%.

The larger quantity is sold for (rs 6120)/(240 L) = rs 25.5/L.

The latter price represents a price adjustment of

(25.5/28 - 1)*100% ≈ -8.93%

The

**concession is about 8.93% on the per liter price**for the higher volume._____

The actual value is 8 13/14%.