What is the sum of the roots of the quadratic equation x^2 - 5x + 6 = 0?

A. 5
Posted in:  Quadratic Equations -  Algebra -  Mathematics

In the sequence A, B, C, D, E, F, G, which letter is in the 12th position?

A. L

How many times does the letter 'E' appear in the series: A, B, C, D, E, F, G, E, H, I, E?

A. 3

If the letter 'X' is the 24th letter, what is the letter that comes 5 positions before it?

A. S

Which word is the antonym of 'increase'?

B. DECREASE
Posted in:  Antonyms -  Vocabulary -  English