Question

By selling a chair rs 740 a trader gain 30% find the cost price of the chair of the chair

Answer 1

STEP BY STEP SOLUTION:

ACCORDING TO THE QUESTION, THE TRADER GOT A PROFIT OF 30%

now,

=>let the original cost be 'x'

=>we know when he earns 30% profit he adds 30% of 'x' to the original price.

=> (30% of 'x')+'x'=740

=>3x/10+x= 740

=>13x= 740*10

=>x=7400/13

=>x=569.23 rupee

=>x=560 rupees approx.

"MEMORISED FORMULAS WILL LAST FOR SOME YEARS, BUT COMMON SENSE AND KNOWLEDGE OF CURIOSITY LASTS FOREVER"