Answer:
An ordinary pack of 52 cards is made up of four suits each containing 13 cards and two suits out of these four suits contain red color cards (heart suit & diamond suit) and other two spade & club suits contain black cards . And in each suit of 13 cards, 10( 1 to 10 ) cards are number cards of which 5 cards bears even numbers 2, 4, 6, 8 & 10 and remaining 5 odd numbers. This way there will be 10 red cards in all bearings even numbers which will be favorable for happening of the required event out of total 52 cards.
Step-by-step explanation:
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