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    Question

    If 

    src="https://www.ixambee.com/questionimage/Chapter/1698734757-ssccglimage3.PNG" alt="" />  then the value of  is:  
    A 2 Correct Answer Incorrect Answer
    B 1 Correct Answer Incorrect Answer
    D -1 Correct Answer Incorrect Answer

    Solution

    after solving given equation-  A=33/9 B=11/71 so now - (1/B)-(20/A) =1/(11/71)-20/(33/9) =(71/11)-180/33 =(213-180)/33 =33/33=1

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