Q 19. The average age of a group of some persons is 16.75 years. By joining 20 new
persons with an average age of 10.25 years, the average age of the group becomes 15
years. Find out the number of people in the group initially,
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India, our country is a huge and beautiful land full of wonders. From the Himalayas to the Indian Ocean, Desert of Thar in the snowy mountains of Sikkim, it is a country full of beautiful landscapes and beautiful people. India is a unique country with diversity. "Unity is diversity" is the main slogan of the country
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