Question

another is equal to hard​

Answer 1

Answer:

The Lucknow Pact was an agreement reached between the Indian National Congress and the Muslim League at a joint session of both the parties held in Lucknow in December 1916. Through the pact, the two parties agreed to allow representation to religious minorities in the provincial legisslatures. The Muslim League leaders agreed to join the Congress movement demanding Indian autonomy. Scholars cite this as an example of a consociational ppractice in Indian politics. Mahajan[who?]led the Congress while framing the deal, and A.K. Fazlul Haq (who was part of both Congress and the Muslim League in 1916) and Mahatma Gandhi also participated in this event.[1][2]

Answer 2

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Required Answer:-

Mean or Average is calculated by dividing the total sum of all items by the total number of items.

In this question, we have to add all the marks and divide it by total number of students.

Class - (1)

No. of students = 100

Mean marks = 30

Then, Total marks = 100 × 30 = 3000

Class - (2)

No. of students = 50

Mean marks = 60

Total marks = 50 × 60 = 3000

Find the mean marks of both classes:

= Total marks / Total no. of students

= 3000 + 3000 / 100 + 50

= 6000 / 150

= 40

\therefore∴ The mean marks of two classes taken together is 40 (Option A).

Note:-

Sometimes average is asked instead of mean. Both are synonymous to each other.

Always add the all total at the last for final answer.