Advertisements
Advertisements
प्रश्न
The marks obtained by a student in two tests were 70 and 75. Find the minimum marks he should get in the third test to have an average of at least 60 marks.
योग
Advertisements
उत्तर
Let the third test mark be x.
`(70 + 75 + x) / 3 ≥ 60`
145 + x ≥ 180
x ≥ 35
So the student must score at least 35 marks on the third test.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
