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Question

What will come in the place of question mark (?) in the following given question :

? + (55)2= (140)2– (80)2– 6278

A 3897 Correct Answer Incorrect Answer
B 3187 Correct Answer Incorrect Answer
C 2897 Correct Answer Incorrect Answer
D 2987 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

? + 3025 = 19600 – 6400 – 6278 ? = 19600 – 6400 – 6278 – 3025 ? = 3897

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