Direction: Read the following information carefully and answer the questions given below. |
(i) There are five teachers A, B, C, D and E who teach different subjects. |
(ii) B teaches Psychology and is Ph. D. D teaches Sociology and he is also a Ph. D. |
(iii) Lady teachers neither teach Education nor Management. |
(iv) Teacher who teaches Anthropology is Ph. D and he is a man. |
(v) A and C are not Ph. D. and A does not teach Education. |
A) Both ladies are Ph. D.
B) The person who teaches Management is a Ph. D.
C) All male members are Ph. D.
D) The teacher, who teaches Sociology, is a man
Correct Answer: A
Solution :
B and D teach Psychology and Sociology respectively and therefore are lady teachers. From the truth table, we get that E teaches Anthropology and is a man. The information can be summarized in the table as belowPsy | Anth | Social | Ed | Mang | Ph.D. | |
Man A | \[\times \] | \[\times \] | \[\times \] | \[\times \] | Ö | \[\times \] |
Woman B | Ö | \[\times \] | \[\times \] | \[\times \] | \[\times \] | Ö |
Man C | \[\times \] | \[\times \] | \[\times \] | \[\times \] | \[\times \] | |
Woman D | \[\times \] | \[\times \] | Ö | \[\times \] | \[\times \] | Ö |
Man E | \[\times \] | Ö | \[\times \] | \[\times \] | \[\times \] | Ö |
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