Q. 16

If then write the value of (x + y).

Answer :

If ,

Then a=e, b=f, c=g, d=h

Given, ,

So, x-y = 1, x+y =5, 2y = 4 and 2y+z = 9

Therefore, x+y = 5

Conclusion: x+y = 5

(Given answer is wrong)

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