exam Maths Puzzle Numerical Ability

What is the answer to a+b/a-b + a-b/a+b - b-a/a-b + b-a/a+b?

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exam Other Question

can the sum of 9 odd numbers be 60? the perimeter of a rectangular field is 120 m. if the length of the field is twice thw breadth find the cost of manuring the field at the rate of Rs. 200 per 100 square metre.