Verbal Reasoning - Mental Ability Questions

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

If 19#13=3; 25#3=11; 36#10=13; then what is the value of 7#3=?

If 4!4 = 80, 3!8 = 110 and 6!2 = 80, then find the value of 7!9 = ?

Pointing towards a girl, Rajan said, she is the daughter of my mother's daughter. Then how is the girl related to Rajan?

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 - 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?

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 = ?