mumbai terrible maths quipped prince william interacted joked group students along wife kate middleton duke duchess cambridge arrived today first leg maiden visit india interaction mathematical group students living care ngo smile banganga water tank south mumbai royal couple earlier joined cricket legend sachin tendulkar game cricket mumbai iconic recreation ground oval maidan met representatives smile organisation works welfare underprivileged children families communities william kate joined small fry bet on football game later interacted study hope working severely studies relentlessly pursuing dreams deary subjects asked children terrible math bad prince candidly said student said maths favourite subject shoot for teacher william effusive praise tendulkar described great cricketer taught bat royal couple sought know students whether gave precedence physical exercise focusing studies hobbies pursued student said dancing hobby william expect show steps even kate along members crowd present cheered duke duchess interacted football coach educatee request agreed play sport amid loud claps pupils conclusion event royal couple wished good luck students advised study well well life mm rsy smj