A car owner buys a petrol car at Rs.750 and Rs.8 and Rs.8.50 per liter for three successive years. What approximately is the average cost per liter of petrol if he spends 4000 each year? (a) Rs.7.98(b) Rs.8(c) Rs.8.50(d) Rs.9

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