Question
The average age of 10 men is increased by 2 years when
two of them whose age are 24 and 26 years replaced by two new men. The average age of the two new men is.Solution
Let the sum of age of 10 men = 10x And the age of two new men = y years According to the question 10x - 24 -26 + y = 10(x+2) 10x - 50 + y = 10x + 20 y = 70 Average age of New men = y/2 = 70/2 = 35 years
A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented ...
A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented ...
In the following question, a word is represented by only one set of numbers as given in anyone of the alternatives. The sets of numbers given in the alt...
The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represente...
A word is represented by only one set of numbers as given in any one of the alternatives. These sets of numbers given in the alternatives are represent...
Relevant for Exams:
