A shopkeeper gives a discount of 5 paise in the Rupee on commodity whose marked price is 16 rupees what is the selling price and what percentage is represented by the discount

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Solution

Dear Student,
$s h o p k e e p e r g i v e s a d i s c o u n t o f 5 p a i s e o n 1 r u p e e H e n c e f o r e v e r y 1 R s, h e g i v e s d i s c o u n t o f 5 P a i s e . 1 R u p e e s = 100 p a i s e h e n c e f o r 100 p a i s e, t h e s h o p k e e p e r g i v e s d i s c o u n t o f 5 p a i s e D i s c o u n t = 5 p a i s e o n e v e r y 100 p a i s e H e n c e d i s c o u n t % = \frac{5}{100} \times 100 = 5 % N o w m a r k e d p r i c e o f c o m m o d i t y = 16 R u p e e s S e l l i n g p r i c e = M a r k e d p r i c e - D i s c o u n t % o n M P = 16 - 5 % o f 16 = 16 - \frac{5}{100} \times 16 = 16 - \frac{80}{100} = 16 - 0.8 = 15.2 R s H e n c e s e l l i n g p r i c e = 15.2 R s D i s c o u n t % = 5 %$

Regards,

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