In a class of 60 students, 30 opted for NCC, 32 opted for NSS and 24 opted for both NCC and NSS. If one of these students is selected at random, find the probability that (i) The student opted for NCC or NSS. (ii) The student has opted neithe

In a class of 60 students 30 opted for NCC, 32 opted for NSS and 24 opted for both NCC and NS. If one of these students is selected at random, find the probability that: i. The student opted for NCC or NSS ii. The student has opted NSS or NCC.

In a class of 60 students, 40 opted for NCC, 30 opted for NSS and 20 opted for both NCC and NSS. If one of these students is selected at random, then the probability that the student selected has opted neither for NCC nor for NSS is

In a class of 60 students, 40 opted for NCC, 30 opted In a NSS and 20 opted for both NCC and NSS. If one of these students is selected at random, then the probility that the student at radom, then the probability that the student selected has opted neither for NCC nor for NSS is

There are 60 boys and 40 girls in a class.A student is selected at random.Find the probability that student is a girl.

In a class, 30% of the students offered mathematics, 20% offered chemistry and 10% offered both. If a student is selected at random, find the probability that he has offered mathematics or chemistry.

In a class 40% of the students offered Physics 20% offered Chemistry and 5% offered both. If a student is selected at random, find the probability that he has offered Physics or Chemistry only.

In a class,there are 15 boys and 10 girls.Three students are selected at random,Find the probability that one girl and two boys are selected