A travels to a place which is 320 km away. While going he goes at 40 kmph and returns at 60 kmph. What was the average speed maintained in the overall journey?
" MATHEMATICS can be your best friend if you will use it frequently but it can be your worst enemy if you will neglect using it daily."
Elmor Earl F.Leonor
"The gaming of numbers is called maths.So participate in this wonderful game and explore in it,learn in it and enjoy in it.Then only you can pass in this wonderful game."