Cards marked with numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this box . Find the probability that number of the is : a) An even numberb) A number less than 14 c) A number which is a perfect squared) A prime number less than 20
Answers & Comments
Answer:
1)Number on cards are 2 to 101
Even number are 2,4,6,..,100=50
Probability that it's an even number =50/100=1/2
2)Numbers less than 14 are 2,3,4,5,6,7,8,9,10,11,12,13=12
Probability=12/100=3/25
3) Perfect square are=4,9,16,25,36,49,64,81,100=9
Probability=9/100
4) Prime number less than 20 are 2,3,5,7,11,13,17,19=8
Probability=8/100=2/25
Verified answer
Answer:
hope it helps you dhan nirankar ji