Question

Profit & Loss
S
If oranges are bought at 7 for Rs. 10 and sold at 6 for Rs.
11. What is the gain percentage?
A) 28 % B) 28-% C) 27-% D) 27 %
2) If there is a profit of 20% on the selling price, the
percentage of profit calculated on the cost price is
A) 25% B) 22% C) 22% D) 30%
3) If the cost price of 12 pens is equal to the selling price of 8
pens, the gain percentage is
A) 33-% B) 66% C) 25% D) 50%
4) A shopkeeper marks this book at 20% above the cost
price and allows the purchaser a discount of 10% for cash
buying. What profit percentage does he make?
A) 18% B) 12% C) 10% D) 8%​

Answer 1

Answer:

3(x

2

+7)

\longrightarrow (3 \times x^2 ) +(3 \times 7)⟶(3×x

2

)+(3×7)

\longrightarrow 3x^2 + 21⟶