Correct Answer : Option (A) - Brother-in-law
Explanation : Father's father ---->Grandfather; Grandfather's granddaughter -----> Sister; Sister's husband ---->Brother-in-law. So, Y is X's Brother-in-law.
Correct Answer : KSU
Explanation : The first letter moves 3 steps forward. The second and third letters move 2 steps forward.
Correct Answer : 87
Explanation :