A shopkeeper allows a discount of 10% on a watch and still makes a profit of 12%. If the cost price of the watch is Rs. 450, what is its marked price? (A) Rs. 540 (B) Rs. 520 (C) Rs. 560 (D) None of these.

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