Question

find the cost price when the following parameters are given SP is equal to rupees 1980 and gain percent is equal to 10​

Answer 1

Answer:

Rs 2200

Step-by-step explanation:

CP = cost price

SP = selling price

let the CP be x

SP = rs 1980

we know that it is only when CP is greater than SP that we have a loss and also know that loss is always on the CP. thus we get the equation as

CP -SP = loss % × CP

putting value

x - 1980 = 10/100 x

=>x-1980= x/10

=>x-x/10 =1980

=>9x/10 = 1980

=> x=(1980×10)/9

=> x= 220×10

=>x= 2200

thus cp is 2200

sp was 1980

loss = cp-sp = 2200-1980 = 220

loss%=(220/2200)×100 =10%

hence, verified that loss is 10 % whole cp was rs 2200

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