How many 3-digit numbers can be made by the digits either 3 or 4 or 5?

How many 3-digit even numbers can be made using the digits 1, 2, 3, 4, 6, 7, if no digit is repeated?

How many 3-digit even numbers can be made using the digits 1, 2, 3, 4, 6, 7, if no digit is repeated?

How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that repetition of the digits is allowed ?

How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that repetition of the digits is not allowed ?

How many 3-digit even numbers can be made using the digits 1,2,3,4,5,6,7 if no digits is repeated?

How many 3 -digit even numbers can be made using the digits 1,2,3,4,5,6,7 if no digits is repeated?

How many 3-digit even numbers can be made using the digits 1,2,3,4,6,7 if no digit is repeated?