Question
In a 600-gram mixture, the proportion of Component A to
Component B is 3:7. If you add 20 grams of Component A and 80 grams of Component B to the mixture, what will be the new ratio of Component B to Component A in the resultant mixture?Solution
ATQ, Quantity of Component A in mixture = (3/10) × 600 = 180 grams Quantity of Component B in mixture = 600 – 180 = 420 grams According to question, Desired ratio = (420 + 80):(180 + 20) = 5:2
The average of five consecutive natural numbers is 14. What will be the average of the seven numbers if the next two natural numbers are also included?
The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs, If these two innings are excl...
The total number of students in class A and B is 72. The number of students in A is 40% more than that in B. The average marks of students in B are 50% ...
A park has an average of 140 visitors on Sundays and 80 on other day. The average number of visitors in a month of 30 days starting with Sunday is
- Rs. 5600 is divided among 'X', 'Y', 'Z', and 'W' in the ratio 4:6:3:7. Then, 'Y' gives 60% of the average of 'X' and 'W’s' amount to 'Z'. Find the averag...
Average run scored by a batsman in first ‘x’ matches is 20. In next 5 matches he scored runs with an average of 60 so that his overall average incre...
The average score of a class of boys and girls in examination is X. The ratio of boys and girls in the class is 4:3. If the average score of the boys (X...
The average age of a class of 20 girls is 16 years. If 4 new girls having average age of 10 years join the class, then the average age of the class beco...
- The average weight of 10 individuals in an organization is 50 kg. When two new members, Akash and Binny, join the organization, their weights being in the ...
The average price of two laptops, namely 'D' and 'E' is Rs. 65,500 whereas the average price of laptops 'E' and 'F' is Rs. 70,000. If the average price ...
Relevant for Exams:
Hey, Don't leave. If you have any queries regarding any exam let us know here.
