A dishonest shopkeeper professes to sell pulses at the cost price, but he uses a false weight of 970gm. for a kg.His gain is …%.
Select the correct option.
A) 3.09% B) 5.36% C) 4.26% D) 6.26% E) 7.26%
His percentage gain is 100*30/970 as he is gaining 30 units for his purchase of 970 units.   so 3.09%.   3.09%NSWER:3.09%
<result>A</result>
A dishonest shopkeeper professes to sell pulses at the cost price, but he uses a false weight of 970gm. for a kg.His gain is …%.