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The average of 13 numbers is 42. If a 14th number is included, then the average becomes 44. What is the 14th number? |
70 62 66 68 |
70 |
Total Sum of 13 numbers = 13 × 42 = 546 Total Sum of 14 numbers = 14 × 44 = 616 14th number is = 616 - 546 = 70 |
