Verbal Reasoning - Mental Ability Questions

In the following question, select the odd letter from the given alternatives.

In the following question, select the related word from the given alternatives.
Bark : Dog : : ? : Sparrow

If - stands for division, + for multiplication, ÷ for subtraction, x for addition, then which of the following equations is correct?

A has more money than E but less of that than B. C has more money than D but less of that than E. Who among them is the richest?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

3/5, 1.4, 11/5, ? , 19/5, 4.6

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

_r_r_t_r_r_t

Find the odd word/letters/number pair from the given alternatives.
(A) 24
(B) 49
(C) 64
(D) 81

If -2@-4 = -8, -1@-8 = -8 and -1@6 = 6, then find the value of -1@7 = ?