Ravi started walking from his house east direction on Bus stop which is 3km.away. Then he set off in the bus straight towards his right to the school 4 km away. what is the crow flight distance from his house to the school?	Choose one:  A) 1 km  B) 5 km  C) 7 km  D) 12 km  E) None of these
Explanation:   The walked will be of in triangular shape and from starting point is 5km   ANSWER IS 5 km
<result>B</result>
Ravi started walking from his house east direction on Bus stop which is 3km.away. Then he set off in the bus straight towards his right to the school 4 km away. what is the crow flight distance from his house to the school?