Question

a shopkeeper bought 8 lock for 34 rupees and sold at the rate of 12 lock for 57 rupees and find gain percentage

Answer 1

CP of 8 locks = 34

∴CP of 1 lock = = 4.25

SP of 12 locks = 57

∴SP of 1 lock = = 4.75

Thus, gain % is given by


gain%= Gain/cp *100


where

Gain= SP-CP


GAIN% = 4.75-4.25/4.25 *100
= 11.764%

Answer 2

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