1. a pressure cooker is sold for rs 120. sales tax amounts for one fifth of this profit and profit one third of the remainder.find the cost price of the cooker? 

Asked by susantadebnath00 | 10th May, 2014, 08:05: AM

Expert Answer:

S o l d space p r i c e left parenthesis space S. P right parenthesis space equals space 120  B. P plus T a x plus p r o f i t equals S o l d space p r i c e space equals space 120  L e t space p r o f i t space equals space x space R s  G i v e n :  T a x equals x over 5 P r o f i t equals r e m a i n d e r equals B. P plus T a x equals 120 minus x  x equals 1 third open parentheses 120 minus x close parentheses  rightwards double arrow 3 x equals 120 minus x  rightwards double arrow x equals 30 space R s  rightwards double arrow T a x equals x over 5 equals 6  B u y i n g space p r i c e space equals space 120 minus T a x minus p r o f i t  space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 120 minus 6 minus 30 equals 84 space R s

Answered by Avinash Soni | 11th May, 2014, 11:45: AM