Question

The average age of 15 students is 18 years. The average age of 9 students is 12 years. What is the

average age of remaining 6 students ?
a) 25 years
d) 27 years
b) 26 years
c) 24 years​

Answer 1

Answer:

total age of 15 students = 15×18 = 270

and average age of 9 students = 12 years

so, total age of 9 students = 12 ×9 = 108

therfore, total age of remaining 6 students = 270-108 = 162

therfore, average age of 6 students= 162÷ 6 = 27 years. OPTION D IS CORRECT 27 YEARS

Step-by-step explanation:

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