Question
The average age of a group of persons going for tour to
Shimla is 22 years. 25 new persons with an average age of 10 years join the group and their average age becomes 12 years. The number of persons initially going for tour is?Solution
Initial number of persons = x 22x + (25 x 10) = 12(x + 25) 22x - 12x = 300 - 250 10x = 50 x = 5
Find the ratio between total books sold from shop C to that of shop B.
The total number of laptops sold by shop C is what percent of the number of laptops sold by shop D?
Find the ratio between the expenditure of C and the expenditure of D.
If the total employees left in November from company B and D join another company E, which consists of 500 employees previously, then find the differenc...
If the average number of unsold items by company 'B' and 'D', together, who were presented in a competition is 'a', then find the value of 90% of 'a'.
What is the total number of all pizzas sold in the first two weeks?
If the total budget is Rs.2000, how much money is spent on Transportation?
If on average, Rs. 17,500 per student concession given by XLRI all over the years. What will be total amount concession given by XLRI in all given years?
Find the ratio of the number of students who appeared for the exam from city E in the year 2018 and 2020 to the number of students who appeared for the ...
Number of wallets sold by A on Tuesday is what% of total number of wallet sold by the same store on all the days?
Relevant for Exams:
