1.

यदि क्रमिक छूट क्रमश 10%,12% तथा 5% किस एक छूट के समतुल्य हैA. 0.35B. 0.32C. 24%, 76%D. 0.3

Answer» Correct Answer - C
Let the marked price = 100
Final SP
`=100xx(90)/(100)xx(88)/(100)xx(95)/(100)`
=75.24
Net discount
=(100-75.24)=24.76 %
Alternate :-
Single equivalent discount for 10 % and 12 % ( 10% क 12 % क)
`=(10+12-(10xx12)/(100))=20.8 %`
Single equivalent discount for 20.8% and 5 % (20.8 % क 5 % क)
`=(20.8+5-(20.8xx5)/(100))%`
=24.76 % Ans.


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