Which word is the antonym of 'noisy'?

B. SILENT
Posted in:  Antonyms -  Vocabulary -  English

Which of the following quadratic equations has roots that are both real and equal?

A. X² - 4X + 4 = 0
Posted in:  Quadratic Equations -  Algebra -  Mathematics

What is the missing character in the sequence: 3, 6, 9, ?, 15?

A. 12

What is the antonym of 'light'?

B. HEAVY
Posted in:  Antonyms -  Vocabulary -  English

In a coding system, 'FISH' is represented as '6148'. What would 'BIRD' be represented as?

A. 2918