What comes next in the series: Z, Y, X, W, ?

A. V
Posted in:  Rule-Detection -  Alphabet Test -  Verbal Reasoning

In the pattern 3, 6, 12, 24, what is the next number?

C. 48
Posted in:  Rule-Detection -  Alphabet Test -  Verbal Reasoning

A can do a work in 30 days, B can do it in 45 days, and C can do it in 60 days. If they work together, how long will it take them to complete the work?

B. 12 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

Which word is the antonym of 'increase'?

B. DECREASE
Posted in:  Antonyms -  Vocabulary -  English

What is the product of the roots of the quadratic equation x^2 - 7x + 10 = 0?

A. 10
Posted in:  Quadratic Equations -  Algebra -  Mathematics