Discuss Forum
1. The average of Selim’s marks in 7 subjects is 75. His average in six subjects excluding Science is 72. How many marks did he get in Science?
- A. 72
- B. 72
- C. 72
- D. 72
Answer: Option C
Explanation:
Hints:average mark = মোট 7 টি subject এর mark /7
science এর মার্ক = ( 7 × 75 - 6 × 72) = 93
Post your comments here: