Only write the numbers no units

If you answer right ill give brainliest, : )

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities