If x + 1/x = 2 x = 1 so, x 32 + 1/(x 32) = 132 + 1/132 = 1 + 1 = 2
Average age of company A is 28 years and average age of both companies A and B is 20 years. If the ratio of number of employees in company A and B is 3:...
Rajat aims to save an average of Rs. 750 per month over the course of a year. For the first 8 months, his monthly income was Rs. 3,000, and he spent 80%...
In a company, the average salary of 30 employees is ₹40,000. Out of these, the average salary of 20 employees is ₹35,000, and the average salary of ...
A candidate just passed by getting 60 answers correct by attempting 132 of the total questions. Find the total number of questions in the examination if...
The average weight of apples in a basket is 50 kg. 6 more apples with an average weight of 60 kg are added to the basket. If the average weight of the b...
The average number of taxis of three colours (black, white and yellow) in a taxi stand is 140. The number of black taxis is 24 more than that of yellow ...
The average age of a class of 24 girls is 15 years. If 6 new girls having average age of 10 years join the class, then the average age of the class beco...
In an Aerobic class, the average age of all the members was 54.5 years, 11 members left the class and 7 new members joined. If the average age increase...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 40 and ratio of the 4th and the 5th number is 2:3. If difference between t...
The average age of a class of 25 girls is 16 years. If 5 new girls having average age of 10 years join the class, then the average age of the class beco...
