If P ÷ Q means that P is the mother of Q, P - Q means that P is the father of Q, P × Q means that P is the sister of Q, then which of the following expression shows that B is the daughter of A?
Three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follows from the statements.
Statements:
Some watches are projectors
All projectors are lamps
Some heaters are watches
Conclusions
I. Some heaters are projectors
II. Some lamps are heaters
III. All watches are lamps.
Only conclusion II follows
None of the conclusions follow
Only conclusion I follows
Either conclusion I or conclusion III follows
Select the figure from among the given options that can replace the question mark (?) in the following series.
In the following question, select the missing number from the given series.
15, 4, -8, -21, -35,?