Tell what is the profit or loss in the following transactions. Also find profit per cent or loss per cent in each case.

A refrigerator bought for ₹ 12,000 and sold at ₹ 13,500.

Give chapter 5 lines and angles own questions for board exams 

Find the following percentage value:

1) 15% of 250.

Find the angle which is equal to its supplement.

Find the breadth of the rectangle whose length is 70 cm and perimeter 200 cm.

Convert 1 gallon into liters.

a. 3.05 liters

b. 3.78 liters

c. 4.05 liters

d. 4.78 liters