The numbers 525 and 3000 are both divisible only by 3,5,15,25 and 75. what is hcf of (525,3000)? justify your answer.

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

What is the area of triangle abc if a = 8, b = 11, and c = 15?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?