Two cogged wheels of which one has 16 cogs and the other 27 cogs, mesh into each other.If the latter turns 80 times in three quarters of aminute, then the number of turns made by the other in 8 seconds?

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