Urgent ! which statement is true according to the diagram ? ?

What is the measure of ba (the minor arc) in the diagram below?

Type the correct answer in the box. use numerals instead of words. if necessary use / for the fraction bar.

Q1 how many whole numbers less than 1000 can be written as a product of 3 consecutive whole numbers? a)10 b)11 c)15 d)21 q2 how many whole numbers between 5000 and 6000 consist of four different digits that decrease from left to right? a)3 b)10 c)69 d)120