concentration of spice in the pani – Discussion Forum

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Piyush365

Asked: September 29, 2026In: Class 9 Maths

At a panipuri (golgappa) stall, the concentration of spice in the pani (spiced water) was 8%. Many customers complained that it was too spicy. What quantity of regular water should be mixed into the 10 litres of pani so that the spice level is reduced to 3/4th of the original concentration?

The target concentration is 6% (three-fourths of 8%). The original 10 litres contain 0.8 litres of spice. Dividing 0.8 by 0.06 gives 13.33 litres total, requiring 3.33 litres (or 10/3 litres) of added water. Class 9 Maths Ganita Manjari Part 2 ...