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Start learning 50% faster. Sign in nowIndia assumed the presidency of the G20 on 1 December, 2022 and is currently part of the G20 Troika comprising Indonesia, India and Brazil. India’s G20 Presidency marked the first time that the troika is consisting of three developing and emerging economies.
The average age of 22 children and their teacher's age are 20 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
The mean weight of 'w' students in a classroom is 42 kg. When the class teacher, weighing 61.5 kg, is added to the group, the average weight increases b...
The average of the first and second numbers is 20, while the average of the second and third numbers is 25. If the sum of the first and third numbers is...
The average number of books on Biology, Chemistry, and Physics in a book shop is 300. Biology books are 150 more than the average number of Chemistry an...
Average of 8 numbers is 25. If average of first four and last two numbers is 15 and 40, respectively then find the fifth number given that ratio of fift...
A cricketer scored an average of 80 runs per match in the first 22 matches. In his next 8 matches, he scored runs with an average of ‘x’ runs per ma...
The average height of each student in a class of 20 students is 125 cm. If 10 new students joined the class, then the average height of the each student...
In a family of 10, the men eat on average 65 kg of food and women eat on an average 45 kg of food. The men and women are equal in number. A woman...
The average age of 25 children and their teacher's age are 20 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
