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The mean of five number is 18 if 1 no is is excluded the mean will be 16 find excluded no |
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Answer» Given: → The mean of 5 NUMBERS is 18 if one number is excluded their MEN is 16. Find: → Find the excluded number. Calculations: → Mean of five numbers = 18. → 5 × 18 → 90 -----(1) We know, one number is excluded. → 4 × 16 → 64 -----(2) Subtracting equation (1) with equation (2), we get: → 90 - 64 → 26 Therefore, 26 is the excluded number. |
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