Verbal Reasoning - Mental Ability Questions

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

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?

In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

160 + 8 x 30 ÷ 4 - 6 = ?

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

A and B start from the same point. A cycles 8 km South, then turns to her right and cycles 5 km. B cycles 3 km North, then turns West and cycles 5 km, then turns to her left and cycles 4 km. Where is B with respect to A now?

If "$" means "addition", "@" means "division", "#" means "multiplication" and "%" means "subtraction", then 84 @ 12 # 3 $ 24 % 35 = ?

In a certain coding language, 'Ginger is a root' is written as 4123, 'A tree has a root' is 75422 and 'Tree is green' is 385. Which digit represents 'root'?

Select the related word/letters/number from the given alternatives.
PEON : QRHS : : JOCK : ?