The ratio between the present ages of Ravi and Jai is 3: 2 If Ravi was 6 years older to Jai four years back, how old in Jai now? (A) 6 years (B) 12 years (C) 18 years (D) Data Inadequate

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