Aryan is facing west. He turns right and walks 20 m, then he turns left and walks 10 m. From there he walks 7 m to the north and then 10 m towards the west. In which direction is he from his original position?
If 'P' means 'divided by', 'T' means 'add', 'M' means 'subtract' and 'D' means 'multiplied by', then what will be the value of the following expression?
A and B are standing at place "P". They start moving in the opposite directions at the speed of 5 Kmph and 4 Kmph respectively. What will be the distance between them after 3 hours?