Verbal Reasoning - Mental Ability Questions

In the following question, select the related word from the given alternatives.
Pressure : Barometer : : ? : Odometer

If, 1*2= 1,
2*3= ­1 and
3*4= ­5, Then find the value of 7*9= ?

From the given words, select the word which cannot be formed using the letters of the given word.
HUMBLING

If 14 (16) 18 and 33 (64) 25, then what is the value of ‘A’ in 25 (49) A?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
CEG, IKM, OQS, ?

If "α" denotes "subtracted from", "β" denotes "multiplied by", "θ" denotes "added to" and "δ" denotes "divided by", then 10 θ 8 β 4 δ 8 α 9 = ?

In the following question, select the related word from the given alternatives.
Goiter : Iodine : : Anemia : ?

If "A" denotes "multiplied by", "B" denotes "subtracted from", "C" denotes "added to" and "D" denotes "divided by", then

8 B 31 C 49 D 7 A 16 = ?