Questions

The plural form of ‘Poor’ is ‘Poor’. ‘Poors’ is incorrect. Also, according to the subject verb agreement, ‘interests’ is the correct form of verb.

Thus, the correct formation would be, ‘We are doing this in the interests of the poor’.

Bitcoin is the world's first cryptocurrency,    a    form    of electronic   cash.It   is   the    first decentralized digital  currency:  the system   was   designed   to   work without   acentral   bankor   single administrator.Bitcoins    are    sent from  user  to  user  on  the peer-to-peer bitcoin network directly, without the need for intermediaries.  These  transactions are verified by network nodes through cryptography and recorded in a public distributed ledger called a block chain. Bitcoin was invented by an unknown person or group of people   using   the   name Satoshi Nakamoto. Bitcoins are not recognised  as  a  legal  tender  by Reserve Bank of India. 

Double fault is associated with which game Tennis. Double fault refers to two consecutive faults during service.