Consider the following relationships among members of a family of six persons A, B, C, D, E and F: 1. The number of males equals that of females. 2. A and E are sons of F. 3. D is the mother of two, one boy and one girl. 4. B is the son of A. 5. There is only one married couple in the family at present. Which one of the following inferences can be drawn from the above?
(b) A is the husband of D.
As per statement 1: The number of males equals that of females, i.e. there must be 3 males and 3 females in the family. Now, as per statements 2 and 4: A and E are sons of F and B is the son of A. We can denote it as the following family tree (wherein + denotes male and - female): As, we can see A, B and E are males. Hence, C, D and F must be females. As per statement 3: D is the mother of two, one boy and one girl.
What is X in the sequence 132, 129, 124, 117, 106, 93, X ?
A wall clock moves 10 minutes fast in every 24 hours. The clock was set right to show the correct time at 8:00 a.m. on Monday. When the clock shows the time 6:00 p.m. on Wednesday, what is the correct time ?
Four persons A, B, C and D consisting of two married couples are in a group. Both the women are shorter than their respective husbands. A is the tallest among the four. C is taller than B. D is B's brother. In this context, which one of the following statements is not correct ?
How many numbers arc there between 99 and 1000 such that the digit 8 occupies the units place?