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By admin Arithmetic Mcqs Average Mcqs Basic Maths Mcqs Mathematics Mcqs No Comments

The average of 11 results is 50, if the average of first six results is 49 and that of the last six is 52. Find the sixth result?

A. 46
B. 56
C. 34
D. 57

Explanation:

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1 to 11 = 11 * 50 = 550

1 to 6 = 6 * 49 = 294

6 to 11 = 6 * 52 = 312

6th = 294 + 312 – 550 = 56

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