A bag contains 4 blue marbles and 2 yellow marbles. What is the probability of drawing a blue marble, replacing it, and then drawing a blue marble again?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Line wx is parallel to line yz. if m

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?