Read the following information questions.
i) A `Delta` B means A is mother of B.
ii) A©B means A is sister of B.
iii) A* B means A is father of B.
iv)`A beta B` means A 'is brother of B
Which of the following means 'Q is grandfather of P'?

Options

A. `P Delta N ^(**) M ^(**)Q`
B. `Q ^(**) N beta M DeltaP`
C. `Q beta M beta N ^(**) P `
D. `N beta C Delta F ^(**) M `

Answer

D

Explanation

Choice 1 is wrong as Q appears after P which means P is of earlier generation here. Not that choice 2 and 4 are means P is of earlier and N are interchanged So, if Q was grandfather of P in choice 2 it would also be so in choice 4. So , both must be wrong as both cant be correct. So, we are left which choice 3.