There are 222 red balls in a basket. A boy takes out 6 red balls and replaces them by 12 white balls. He continues to do so till all red balls are replaced by white balls. Then the number of white balls put in the basket is ……

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