Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes? (a)648 (b)1800 (c)2700 (d)10800

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