Rekha sells a DVD player to Liza at a profit of 15% and Liza sells it to Megha at a profit of 25%.
If Megha pays ₹2,875 for it, then find the cost price for Rekha.
There r few things whch we knw whch r nt capable of mathmatical reasoning nd when these can nt it is a sign dt our knowledge of them is very smal nd confusd nd where a mathmaticl reasing can be had . It is as dark a foly to make use a candle stick as to g
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Mathematics is like checkers in being suitable for the young, not too difficult, amusing, and without peril to the state.