The simple interest in 3 years and compound interest in 2 years on a certain sum of money at the same rate are Rs. 1200 and Rs. 832 respectively. The principal is? A) Rs. 7500 B)Rs. 4000 C) Rs. 3000 D)Rs.5000

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