Math, asked by anitasinghf629, 2 months ago

A statistics test was conducted in 3 different classes. The average marks obtained in all classes are 65, 59 and 76 respectively. The

no. of students present in all classes are 30,42,28 respectively. Determine the average marks secured by all classes

Answers

Answered by dharani9561

1

Step-by-step explanation:

the answer is 420

hope it will help you

Previous Question

Next Question

Similar questions

Economy, 1 month ago

india purchased petroleum from iran...

English, 1 month ago

You are Anita/Gautam, staying at Ankur Apartments, Mayur Vihar, Delhi. There is no bus stop within the radius of 2 km from the apartments. The absence of a bus stop is causing a lot of inconvenience to the residents. Write a letter in 120-150 words to the editor of "The Times of India' drawing attention of the government to the problem and seeking early remedial action.

Math, 1 month ago

pair of consistent equations intersect in how many points...

History, 2 months ago

What were the teaching of Shankaracharya...

Social Sciences, 2 months ago

हाउ टू स्टडी द एनएमएल एसबीआई वेयर ऑफ वाटर बाय यूजिंग ऑफ अपेरटस...

History, 8 months ago

pratham charan 1789 se 1792 tak kaunsa charan tha...

Math, 8 months ago

कौन बड़ा है ? (1). 0.1 या .10...

Math, 8 months ago

Find the number of integer pairs (x, y) satisfying (xy-1)^2=(x+1)^2+(y+1)^2...