Question

Sp of 10 pens equal to cp of 14 pens .find loss or gain percentage

Answer 1

Step-by-step explanation:

• le the c.p of 1 pen =1rs
• the c.p of 14 pens =14rs
• the s.p of 10 pen = c.p of 14 pen
• s.p of 1 pen = 14/10=7/5
• clearly ,7/5<1
• profit =s.p-c.p
• 7/5-1
• =2/5
• profit%=profit×100/c.p
• 2/5×100/1
• 40%