pls solve 1,3,4 and 5 . if u know any one pls then also answer. its from beginner box 11 .ok

pls solve 1,3,4 and 5 . if u know any one pls then also answer. its from beginner box 11 .ok 'O lin

Can you please provide the answers given in answer key?
I have solved two of them. If the answer key matches, I will show the soln.
Please!
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Q1.

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Q3.

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Q4 (a):
Kindly show answer keys for all questions!

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