In a seminar, the number of participants in English, Hindi and Maths are 60, 84 and 108 respectively. Find the minimum number of rooms required if in each room, the same number of participants are to be seated and all of them being in the same subject.

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