In following number series, two terms have been put within brackets. Choose the appropriate option - Find out the missing number in the following sequence :1, 3, 3, 6, 7, 9, ?, 12, 21.

D. 13
Posted in:  Number Series -  Series Completion -  Verbal Reasoning

In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces. - In the series 10, 17, 24, 31, 38, … which of the following will be a number of the series ?

B. 346
Posted in:  Number Series -  Series Completion -  Verbal Reasoning

In following alphabet series , one term missing as shown by question mark . Choose missing term from options. - CE, GI, KM, OQ, ?

C. SU
Posted in:  Alphabet Series -  Series Completion -  Verbal Reasoning

In the following question, a group of letters is given which are numbered 1, 2, 3, 4, 5 and 6. Below are given four alternatives containing combinations of these numbers. Select that combination of numbers so that letters arranged accordingly, form a meaningful word. T  E  L  S  C  A
1  2  3  4  5  6

C. 5, 6, 4, 1, 3, 2
Posted in:  Word Formation -  Alphabet Test -  Verbal Reasoning

If α and β are the roots of the equation
$x^2 - 9x + 8 = 0$ (α > β) then find the value of
$α^2 - β^2$.

C. 65
Posted in:  Quadratic Equations -  Algebra -  Mathematics