What is the probability of drawing a red card from a deck of cards?

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THERE ARE 26 RED CARDS OUT OF 52. HENCE PROBABILITY OF DRAWING RED CARD FIRST=26/52=1/2 NOW THERE ARE 26 BLACK CARDS AND 51 TOTAL CARDS PROBABILITY OF DRAWING BLACK CARD IS =26/51 SO PROBABILITY OF DRAWING FIRST RED AND THEN BLACK CARD =(1/2)(26/51) THIS ENDS YOUR PROBLEM. ***************************************************************************** BUT IF PROBILITY OF ONE RED AND ONE BLACK CARD IS NEEDED THEN..... SIMILARLY PROBABILITY OF DRAWING FIRST BLACK AND THEN RED CARD =(1/2)(26/51) HENCE TOTAL PROBABILITY OF DRAWING ONE BLACK AND ONE RED CARD =SUM OF THE ABOVE 2 PROBABILITIES.=26/51

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