# Profit & Loss

Q1:

A man sold an article for Rs.450 at a loss of 10%.At what rate should it be sold to earn a profit of 10%

Ans: 450 x 110 / 90 =550 rs

Q2:

A man sold an article for Rs.240 at a loss of 40%.At what rate should it be sold to earn a profit of 10%

Ans: 240 x 110 / 60 =440 rs

Q3:

A man sold a bag for Rs.280 at a loss of 30 %.At what rate should it be sold to earn a profit of 20%

Ans: 280 x 120 / 70=480 rs

Q4:

A machine is sold at 20% profit.Had it been sold at 25% profit it would have increased 40 rs.Find the cost price of the machine?

Ans: 25% - 20% = 5%

5% = 40 rs

Cost price is always 100%.

So cost price = 40 x 100/5

= 800 rs

Q5:

A watch is sold at 40% profit.Had it been sold at 47% profit it would have increased 490 rs.Find the cost price of the machine?

Ans: 40% - 47% = 7%

7% = 490 rs

Cost price is always 100%.

So cost price = 490 x 100/7

= 700 rs

Q6:

A machine is sold at 11% profit.Had it been sold at 20% profit it would have increased 81 rs.Find the cost price of the machine?

Ans: 20% - 11% = 9%

9% = 81 rs

Cost price is always 100%.

So cost price = 81 x 100/9

= 900 rs

Q7:

If the selling price of a chair is increased by 35 rs ,the profit is increased by 7%.Find cost price?

Ans: 35 x 100/7 = 500 rs

Q8:

A machine is sold at 10% loss.Had it been sold at 15% profit it would have increased 50 rs.Find the cost price of the machine?

Ans: 10% + 15% = 25%

25% = 50 rs

Cost price is always 100%.

So cost price = 50 x 100/25

= 200 rs

Q9:

A cycle is sold at 20% loss.Had it been sold at 10% profit it would have increased 300 rs.Find the cost price of the cycle?

Ans: 20% + 10% = 30%

30% = 300 rs

Cost price is always 100%.

So cost price = 300 x 100/30

= 1000 rs

Q10:

A book is sold at 20% loss.Had it been sold at 20% profit it would have increased 400 rs.Find the cost price of the book?

Ans: 20% + 20% = 40%

40% = 400 rs

Cost price is always 100%.

So cost price = 400 x 100/40

= 1000 rs