Question

The marks obtained by a student of class XI in first and second terminal examination are 62
and 48 respectively. Find the minimum marks he should get in the final examination to have
an average of at least 60 marks.
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Answer 1

Answer:

70

Step-by-step explanation:

(62+48+70)/3=180/3=60

Answer 2

Answer: x ≥ 70

Step-by-step explanation:

Let the marks obtained by student be = x

(62 + 48 + x)/3 ≥ 60

110 + x ≥ 60 * 3

x ≥ 180 - 110

x ≥ 70