Five years later, the Jacob age will be three times that of his son. Five years ago, Jacob's age was seven times that of his son. What are their present ages? A. Jacob = 80 years, son = 40 years. B. Jacob = 30 years, son = 10 years. C. Jacob = 40 years, son = 10 years. D. Jacob = 50 years, son = 20 years.

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