(i) A, B, C, D, E and F are six members in a family in which there are two married couples. (ii) D is brother of F. Both D and F are lighter than B. (iii) B is mother of D and lighter than E. (iv) C, a lady, is neither heaviest nor the lightest in the family. (v) E is lighter than C. (vi) The grandfather in the family is the heaviest.
Which of the following is a pair of married couples ?
Choose the correct alternative from the following : - Assertion (A) : When a body is dipped in a liquid fully or partially, there is a decrease in its weight. Reason (R) : The decrease in weight is due to the higher density of the displaced liquid.
Six lectures A, B, C, D, E and F are to be organised in a spam of seven days -- from Sunday to Saturday, only one lecture on each day in accordance with the following :
A should not be organised on Thursday.
C should be organised immediately after F.
There should be a gap of two days between E and D.
One day there will be no lecture (Friday is not that day), just before that day D will be organised.
B should be organised on Tuesday and should not be followed by D.
Which of the following is the last lecture in the series ?
Rohit, Kunal, Ashish and John are students of a school. Three of them stay far from the school and one near it. Two study in class IV, one in class V and one in class VI. They study Hindi, Mathematics, Social Science and Science. One is good at all the four subjects while another is weak in all of these. Rohit stays far from the school and is good at Mathematics only while Kunal is weak in Mathematics only and stays close to the school. Neither of these two nor Ashish studies in class VI. One who is good at all the subjects studies in class V.
Name the boy who is week in all the subjects.