Question

Sudha purchases two computers for 18,000 and 15,000 respectively. She sold them
at a loss of 15% and at a gain of 19% respectively. Find the selling price of each of the
computers. Also find the overall profit or loss per cent in the transaction​

Answer 1

Step-by-step explanation:

sp of 1st computer

=( 100 - loss%) / 100. × cp

= 100 - 15 / 100 × 18000

= 85/100×18000

= ₹ 15300

sp of 2nd computer =

(100+gain ) /100×cp

= 119/100 × 15000

= 17850

total sp= 17850+15300=33150

total cp= 15000+18000=33000

Therefore its a gain

gain = 33150-33000 = 150

gain % = 150 / 33000 × 100. = 0.45%

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Answer 2

Step-by-step explanation:

In case of the 1at computer :-

C.P. = ₹18,000

Loss percent = 15%

Loss = 15% of ₹18,000

= 15/100 × ₹18000

= ₹2700

S.P. = C.P. - Loss

= ₹18000 - ₹2700

= ₹15300

In case of the 2nd computer :-

C.P. = ₹15,000

Gain percent = 19%

Gain = 19% of ₹15000

= 19/100 × ₹15000

= ₹2850

S.P. = C.P. + Gain

= ₹15000 + ₹2850

= ₹17850

Total C.P. = ₹18000 + ₹15000

= ₹33000

Total S.P. = ₹15300 + ₹17850

= ₹33150

As S.P. > C.P. , so , in the overall, it is gain for Sudha.

Profit = ₹33150 - ₹33000

= ₹150

Profit percent = Profit/C.P. × 100%

= 150/33000 × 100%

= 0.454%

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