Systematic Listing

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Question 28
Medium

There are three cards in box A and three cards in box B. There is a number on each card.

Box A Box A containing cards with numbers 1, 2, and 9.

Box B Box B containing cards with numbers 3, 5, and 7.

Charles takes a card from box A and a card from box B. He multiplies the numbers on the two cards to get a total score.

Work out the probability that the total score is an odd number.

[3]

Systematic Listing Questions

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