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Solution:-
1) Using Lami's Theorem
Now put the given value
Ans = option :- b is correct
2)
:- FBD is attached see fig (ii)
By taking horizontal and vertical components we get
From second equation we get T
Now put the value of T on first equation
So
So option :- A is correct
3)FBD is attached see fig (iii)
By taking horizontal and vertical components we get
Now
Now take (i)st equation
Now put the value of T on (ii) eq
Ans :- option D is correct
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