If 'HELLO' is coded as 85121215, what is the code for 'WORLD'?

A. 231814124

A quadratic equation has roots 3 and 4. What is the quadratic equation in standard form?

A. X² - 7X + 12 = 0
Posted in:  Quadratic Equations -  Algebra -  Mathematics

What is a synonym for 'difficult'?

B. HARD
Posted in:  Synonyms -  Vocabulary -  English

In a sequence of letters: A, C, E, G, ?, K. What is the missing letter?

B. H

A set of animals includes a dog, a cat, a parrot, a goldfish, and a hamster. Which of the following groups can be classified together based on their habitat?

A. DOG, CAT, PARROT