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The average age of 5 children is 10 years. If two more children of ages 11 years and 16 years join, then what will be the new average age? |
11 years 10 years 13 years 12 years |
11 years |
Sum of age of 5 children = 5 × 10 = 50 years Two new children joined them , New Average = \(\frac{50 + 11 + 16 }{7}\) = \(\frac{77}{7}\) = 11 years |
