The average of marks of 13 papers is 40. The average of marks of the first 7 papers is 42 and that of the last 7 papers is 35. What are the marks of the seventh paper?
(a) 17 (b) 18 (c) 19 (d) 20
Question ID - 51401 | SaraNextGen Top Answer The average of marks of 13 papers is 40. The average of marks of the first 7 papers is 42 and that of the last 7 papers is 35. What are the marks of the seventh paper?
(a) 17 (b) 18 (c) 19 (d) 20
The average of marks of 13 papers is 40. The average of marks of the first 7 papers is 42 and that of the last 7 papers is 35. What are the marks of the seventh paper?
(a) 17 (b) 18 (c) 19 (d) 20
1 Answer
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