Question

Mohit sold a watch to karim at a gain of 10% and the karim sold it to rahim at a gain 4% if rahim pay Rs 14300 for it for how much did mohit purchase it

Answer 1

₹ 12500

since 4% gain for Rahim means
1.04 × Rahim C.P = 14300
so Rahim C.P = 13750

similarly 10% gain for mohit means
1.1 × Mohit C.P = 13750

so mohit purchased the watch for ₹ 12500