What is the missing term in the series: 2, 6, 12, 20, ?, 42

B. 32
Posted in:  Number Series -  Series Completion -  Verbal Reasoning

For the quadratic equation 2x² - 4x + k = 0 to have real roots, what must be the minimum value of k?

B. 2
Posted in:  Quadratic Equations -  Algebra -  Mathematics

What is the L.C.M. of the polynomials x^2 - 1 and x^2 + 1?

A. (X^2 - 1)(X^2 + 1)
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

In a certain code, 'FISH' is written as 'GJTI'. How would 'BIRD' be written in that code?

A. CJSF
Posted in:  Letter-Word Problems -  Alphabet Test -  Verbal Reasoning

In a coding scheme, 'TREE' is represented as 20, 22, 24, 26 and 'LEAF' as 12, 14, 16, 18. What is the code for 'BARK'?

A. 2, 4, 6, 8
Posted in:  Mixed Number Coding -  Coding - Decoding -  Verbal Reasoning