Probability Part 1

Section: Mathematics
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Question : 49 of 100
 
Marks: +1, -0
In a class of 60 students, 40 opted for NCC, 30opted for NSS and 20 opted for both NCC andNSS. If one of these students is selected atrandom, then the probability that the studentselected has opted neither for NCC nor for NSSis :
[12 Jan 2019 Shift 2]
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