Consider the following statements:

1.A function f : ℤ → ℤ, defined by f(x) = x + 1, is one-one as well as onto.

2.A function f : ℕ → ℕ, defined by f(x) = x + 1, is one-one but not onto.
Which of the above statements is/are correct?

Two dice each numbered from 1 to 6 are thrown together. Let A and B…

Two dice each numbered from 1 to 6 are thrown together. Let A and B…

An urn contains one black ball and one green ball. A second urn contains one…

An urn contains one black ball and one green ball. A second urn contains one…

What is the most probable number of successes in 10 trials with probability of success…