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The correct answer is D
Average weight of a team of 13 persons is 33 kg. When one more person joins the team, the average weight of the team increases by 4 kg. Find the weight ...
Akshay bought 25 notebooks for Rs.1260 from shop A and 13 notebooks for Rs.1210 from shop B. What is the average price he paid per book?
If the average of s number is r⁴ and the average r number is s⁴, then find the average of all r+ s numbers
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?
The average of 14, 57, and z is 40. What is the value of z?
The average number of books sold by Viren in first 3 months is 3000 and in first 4 months is 3800. If the number of books sold by him in 5th ...
In a Company the average income of all the employees is Rs. 22000 per month. Recently the company announced an increment of Rs. 2000 per month for all t...
Average 20 numbers is ‘x’. If the average of first 12 numbers is 74.5 while average of last 5 numbers is 84.8 and 13th, 14th a...
The average age of a class of 20 girls is 15 years. If 5 new girls having average age of 10 years join the class, then the average age of the class beco...
The ratio of number of girls to number of boys is 3: 2 in a class of 70 students. The average marks scored by the boys in Physics is 72 and the average...
