ICSE MATHS-PROBABILITY---cards marked with numbers 13,14,15....60 are placed in a box and mixed thoroughly. one card is drawn at random from the box. Find the probability that the number on the card drawn is :
1] divisible by 5.
2] a perfect square number
4Jay:
hey i need the steps
ok.
what is the use of knowing the answer i should understand it and i also know the answer, it is given in my book back
first of all you find the number between 13 to 60. which is divisible by 5.
in next step the number is 10..ok
next which we find the number 10 divide by total number which is 47.
so the answer is 10/47.
no its wrong u fool
why?
ans is 5\24 and 1\12
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Answer:
5/24 ,1/12
Step-by-step explanation:
Total card are=60-12=48
(1) No divisible by 5 are:
15,20,25,30,35,40,45,50,55,60=10
hence probability=10/48=5/24
(2) perfect square are:
16,25,36,49
so probability=4/48=1/12
tq sir
ok
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