Let p, q be the roots of the equation x² + mx- n = 0 and m, n be the roots of the equation x² + px – q = 0 (m, n, p, q are non-zero numbers). Which of the following statements is/are correct?

I. m(m + n) =-1

II. p + q= 1

Select the answer using the code given below:

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…