Verbal Reasoning - Mental Ability Questions

Introducing a man, a woman says, "His son's mother is the only daughter of my mother". How is the man related to the woman?

If 29$14 = 6, 37$25 = 3 then what is the value of 84$62 = ?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then 7 V 42 M 56 L 8 S 5 = ?

If "S" denotes "multiplied by", "P" denotes "subtracted from", "R" denotes "added to" and "Q" denotes "divided by", then 14641 Q 121 P 100 S 2 R 100 = ?

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?

Anand is son of Prema. Rajeev is brother of Prema. Neha is daughter of Rashmi . Neha is sister of Rajeev. How is Anand related to Rashmi ?

Select the related word/letters/number from the given alternatives.
25: 260 : : 30 : ?

Selecttherelatedword/letters/numbersfromthegivenalternatives: Sanitation:Illness::Care:?