self Maths Puzzle

A shopkeeper marks his goods 20% above his cost price but allows a discount of 8% for cash. What is his profit percent?

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self Other Question

Two taps A & B can fill a cistern in 12 and 16 minutes respectively. Both fill taps are opened together, but 4 minutes before cistern is full, one tap A is closed. How much time will the cistern take to fill? Going 50 m to the South of her house, a girl turns left and goes another 20 m. Then, turning to the North, she goes 30 M and then starts walking towards her house. In which direction is she walking now?