Question

if a watch is sold with successive discount of 10% and 5% , what will be the equivalent discount?​

Answer 1

Answer:

⇒ Let A = First discount = 10% and B = Second discount = 5%.

⇒ Equivalent Discount = (A+B)−(

100

A×B

)

⇒ Equivalent Discount = (10+5)−(

100

10×5

)=15−0.5=14.5%

Answer 2

⇒ Let A = First discount = 10% and B = Second discount = 5%.

⇒ Equivalent Discount = (A+B)−(

100

A×B

)

⇒ Equivalent Discount = (10+5)−(

100

10×5

)=15−0.5=14.5%

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