Subject
পেট্রোবাংলা
Topic
তিতাস গ্যাস ট্রান্সমিশন এন্ড ডিস্ট্রিবিউশন কো: লি: (সহকারী ব্যবস্থাপক) - ০৮.১০.২০২১
A student's marks were wrongly entered as 83 instead of 63. Due to the error the average marks for the class got increased by 0.5. Find the number of students in the class.
A student's marks were wrongly entered as 83 instead of 63. Due to the error the average marks for the class got increased by 0.5. Find the number of students in the class.
ক)
10খ)
20গ)
40ঘ)
73