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Maths Puzzle
If ‘P + Q’ means ‘P is the brother of Q’; ‘P × Q’ means ‘P is the father of Q’, ‘P ÷ Q’ means ‘P is the mother of Q’; which of the following would mean ‘R is the son of M’?
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self Other Question
The clinic of a Doctor faces the West. From the backside of his clinic, he walks straight 100 metres then turn to the left and walks 100 metres again. Finally, he turns towards right and stops after walking 50 metres. Now in which direction is Doctor from the starting point?
Find the wrong number in the following series:
1, 2, 4, 7, 13, 24, 54, 81