The average weight of A, B and C is 65 kg. If the average weight of C and B is 6
The average weight of A, B and C is 65 kg. If the average weight of C and B is 61.5 kg, and the…
There is a group of 8 teachers. One teacher leaves the group and a new teacher j
There is a group of 8 teachers. One teacher leaves the group and a new teacher joins the group. Due to this the average…
The average of 5 consecutive odd numbers is 27. What is the product of the first
The average of 5 consecutive odd numbers is 27. What is the product of the first and the last number?
What is the average of first 93 natural numbers?
What is the average of first 93 natural numbers?
The average age of a class of 6 girls is x years. Four new girls having ages x –
The average age of a class of 6 girls is x years. Four new girls having ages x – 2, x + 2, x…
The average score in Mathematics of 90 students of section A and B of class IX w
The average score in Mathematics of 90 students of section A and B of class IX was 63. The number of student in A…
The average revenues of 7 consecutive years is Rs. 83 lakhs. The average of firs
The average revenues of 7 consecutive years is Rs. 83 lakhs. The average of first 4 years is Rs. 78 lakhs and that of…
What is the average of all natural numbers from 21 to 39?
What is the average of all natural numbers from 21 to 39?
The average of the marks of 25 students in a class, in an examination was calcul
The average of the marks of 25 students in a class, in an examination was calculated to be 19. Later, the teacher realized that…
In a class of 50 students there are 22 girls who scored an average of 35 marks i
In a class of 50 students there are 22 girls who scored an average of 35 marks in the test. What is the average…
If the average of s number is r 4 and the average of r numbers is s 4 , then fin
If the average of s number is r 4 and the average of r numbers is s 4 , then find the average of…
The average of 8 consecutive natural numbers is 38.5. What is the largest of the
The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?