In a group there are two kinds of people type A & type B.type A people answer for any question as YES & that of type B as NO. If they can not answer to these question then they remain silent. the mayor asks question to them as follows........
(1) If he asks a person are u type A
a. YES
b. NO
c. Silent
d. Can not be determined
(2) He asks two persons X &Ysimultaneously whether u of same type a. YES
b. NO
c. YES or NO
d. Silent
e. can not be determined
(3) Pointing to a person X he asks Y what is his type
a. YES
b. No
c. Silent
d can not be determined
(4) Pointing to a person X he asks Y if I ask him whether r u type A will he answer YES.Y says NO .what type of B is
a. YES
b. NO
c. Silent
d. can not be determined

• 1.d
  2.c
  3.c
  4.b
• 10 years agoHelpfull: Yes(6) No(2)
• 1.d(person may be type A or type B it depends on major's choice)
  2.e(there may be 4 cases here
  if X and Y are type A they say YES
  if X and Y are type B they say NO
  if X is type A and Y is type B,type A answer YES & type B answer NO
  if X is type B and Y is type A,type B answer NO & type A answer YES
  cannot be determined)
  3.d(Y may say YES or NO,answer depends on which type Y belongs..)
  4.b(major asked Y that if i ask X-are u type A..will he say yes ?
  Y answered NO..
  so,Y must be type B because type B persons only answers NO to any question)
• 9 years agoHelpfull: Yes(6) No(1)
• plz explain 4 que
• 10 years agoHelpfull: Yes(2) No(0)
• 1.d
  2.b
  3.c
  4.b
• 10 years agoHelpfull: Yes(1) No(2)
• plz explain...m nt geting it..
• 10 years agoHelpfull: Yes(0) No(0)