A sum of money triples itself in 15 years 6 months. In how many years would it double itself? A. 6 years 3 months B. 7 years 9 months C. 8 years 3 months D. 9 years 6 months

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