Question

an article whose cost price was Rs. 70 was sold at a gain of 10%. what was the selling price?​

Answer 1

Given:-

• An article whose cost price was Rs. 70 was sold at a gain of 10%.

⠀

To find:-

• Selling price.

⠀

Solution:-

Here,

• Cost price (CP) = Rs.70
• Gain% = 10%

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According to the question,

→ SP = CP × (100 + gain%)/100

→ 70 × (100 + 10)/100

→ 70 × 110/100

→ 7 × 11

→ Rs.77

⠀

Hence,

• the selling price is Rs.77.

Answer 2

Given :-

• Cost price of an article = Rs. 70

• Gain = 10%

To find :-

• selling price of an article

Formula to be used :-

• Sp = Cp × ( 100 + profit%)/100

calculation :-

We know ,

Sp = Cp × ( 100 + profit%)/100

= 70 × ( 100 + 10%)/100

= 70 × 110/100 = Rs 77

Therefore the selling price is rs 77.