A shop keeper sold a certain no. of toys (two digit no.), all priced at a certain value (also a two digit when expressed in rupees). By mistake he reversed the digits of both, in doing so, he found that his stock left at end of day showed 72 items more than what it actually was.
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when 72 is added to 19 it gives 91 which is its opposite
answered using hit and trial method
when 72 is added to 19 it gives 91 which is its opposite
answered using hit and trial method
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