Find all possible pairs of integers that give a product of -50.

Find 5 pairs of integers that added to 2.

Find two pairs of integers whose product is +15.

Find the possible pairs of co-ordinates of the fourth vertex D of the parallelogram, if three of its vertices are A(5, 6), B(1, - 2) and C (3, -2) .

Find all possible values of sqrt(i)+sqrt(-i)dot

If two sides of a triangle measure 4 cm and 6 cm find all possible measurements (positive Integers) of the third side. How many distinct triangles can be obtained?

The letters of word ZENITH are written in all possible ways. If all these words are written out as in a dictionary, then find the rank of the word ZENITH.

If A=[(3,-2),(4,-1)] , then find all the possible values of lambda such that the matrix (A-lambdaI) is singular.