Subject
Quantitative Aptitude
Topic
Probability
The probability that a number selected at random from the set of numbers {1, 2, 3, 4, ……, 100} is a cube or a square is :
The probability that a number selected at random from the set of numbers {1, 2, 3, 4, ……, 100} is a cube or a square is :
ক)
1/25খ)
2/25গ)
3/25ঘ)
7/50ঙ)
None of theseExplanation
Total count of numbers, n(s) = 100 Numbers that are cubes = {1, 8, 27, 64} Numbers that are squares = {1, 4, 9, 16, 25, 36, 49, 64, 81, 100} Numbers that are either suares or cubes or both = {1, 4, 8, 9, 16, 25, 27, 36, 49, 64, 81, 100} Total count of such numbers, n(E) = 12 Required probablityRelated questions
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