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In this mcq round we have four section . First section contain algorithm 15 mcq and Second section contain Nodejs 20 question , Third section contain 20 question of mongodb and last section is Reactjs contain 10 mcq

Remove duplicates from the array and also  perform sorting in javascript language.

what was the difference between var ,let and const ?(Link)

What is the event loop in javascript and in Node js how they both loop are differ?

Why we use Reactjs ? what is useEffect and tell me about dependency array in useEffect?

What is Virtual dom and useState ?

Tell me about Redux and also the difference between redux and useContext hook ?

what is the Nextjs why we use Nextjs and tell me the difference between Nextjs and Reactjs ?(Link) In which condition we prefer Nextjs?

Do reverse the string and do code in JavaScript?

Print the random numbers between 11 to 99  the random number length should be not greater than 15 ?(Link)