Rahul did not send a card to Aaliyah
Shubham sent a card to either Gehana or Pankhudi
Gehana did not receive a card from Amit or Ricky
Neither Amit nor Ricky sent a card to Ishika
Ricky would never send a card to Aaliyah
Pair up the boys and girls?
Mathematics is like checkers in being suitable for the young, not too difficult, amusing, and without peril to the state.
Plato
"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."