E Eduvai

Bangla Exam Practice Library

Prepare for your exams with Eduvai.

Search thousands of Bangla MCQs, browse subject sets, or start a quick practice round to test your preparation.

59,959 questions indexed
2 subject categories
BN primary content language
Start practice Browse subjects

Subjects

Browse by subject and prepare systematically.

Bangla Language & Literature 59,440 questions Bangladesh Studies 519 questions Mixed Practice 10 random questions

Question Bank

Showing 1-1 of 1

#30702 Bangla Language & Literature Statistics and Average Level 0

The average mark obtained by 15 students was 10 and the average mark obtained by 10 students was 15. What was the average mark obtained by all students?

  1. A 10
  2. B 12
  3. C 15
  4. D 8
Answer: B - 12

Detailed explanations are only viewable to logged-in users.

Login with Sothik ID

Related Questions

Bangla Language & Literature · Statistics and Average · #29872 If the average of four numbers k, 2k + 3, 3k - 5, and 5k + 1 is 63. What is t... Bangla Language & Literature · Statistics and Average · #29723 The average of 6, 8 and 10 equals the average of 7, 9 and -- Bangla Language & Literature · Statistics and Average · #31519 What is the maximum number of half-pint bottles of cream that can be filled w... Bangla Language & Literature · Statistics and Average · #31792 Karim, Rahim, Ram & Shyam have the following probabilities of passing the adm... Bangla Language & Literature · Statistics and Average · #29979 Sum of P and Q is 72 and the value of R is 42. What is the average of P, Q an... Bangla Language & Literature · Statistics and Average · #28824 If 3a +5b = 10 and 5a + 3b = 30, what is the average (arithmetic mean) of a a...

About Eduvai

Your partner in exam preparation.

Eduvai provides an interactive, easy-to-use search and practice tool for exam questions. Our mission is to make preparation resources accessible to all students, helping you test your knowledge and track your progress in real-time.