Others Maths Puzzle

How many 4 digit numbers that are divisible by 4 can be formed from the digits 1,2,3,4 and 5?

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Others Other Question

At Matilda’s birthday party, the ratio of people who ate ice cream to people who ate cake was 3 : 2. People who ate both ice cream and cake were included in both categories. If 120 people were at the party, what is the maximum number of people who could have eaten both ice cream and cake?
(A) 24
(B) 30
(C) 48
(D) 80
(E) 72 There are 4 letters, 4 envelopes. In how many ways can wrong choices be made?