Math, asked by smilecherry1987, 5 months ago

please answer this questionfast

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Answered by bhaktisawant002

1

Answer:

let the no .of correct question be x

wrong question = 180 -x

total marks for correct answer =4x

total marks for wrong answer =(180-x)x-1

=x-180

A.T.Q

4x+x-180=450

5x= 630

x=126

correct answer is=126

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