Question

what is a 'challenge' ?

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Answer 1

Answer:

1 : an objection to something as not being true, genuine, correct, or proper or to a person (as a juror) as not being correct, qualified, or approved. 2 : a call or dare for someone to compete in a contest or sport. 3 : a difficult task or problem Memorizing the poem was a challenge.

Answer 2

call to someone to participate in a competitive situation or fight to decide who is superior in terms of ability or strength.

Hope you can understand.