Question

# Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of ? (i) Getting a number 6 ? (ii) Getting a number less than 6 ? (iii) Getting a number greater than 6 ?

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Solution

## (i) Total number of slips = 10 Number of slips with 6 written on them = 1 Probability=Number of slips with 6 written on themTotal number of slips=(110) (ii) Slips with a number less than 6 = 1, 2,3,4,5 Number of slips with a number less than 6 = 5 Number of slips with a number less than 6Total number of slips=(510)=(12) (iii) Slip with a number greater than 6 = 7, 8,9,10 Number of slips greater than 6 written on them = 4 Probability=Number of slips greater than 6Total number of slips=(410=25)

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