Question

2. Rahul sold a watch to Sohan at a gain of 10% and Sohan sold it to Mohan at a loss of
10%. If Mohan paid *990 for it, find the price paid by Rahul.​

Answer 1

total =100% assume

sohan sold it to mohan at 10% loss that is 90%.

mohan paid 990.

90%= 990

100%=?

90×?=100×990

?=100×990/90=1100

sohan cost price =1100

Rahul sold to sohan at gain 10% that is 110%

110%=1100(sohan)

100%=?

Rahul price =

$\frac{100 \times 1100}{110} = 1000$

Ans is 1000

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