Question
18 men working for 6 hours a day can complete a work in 22
days. If 27 women are employed to work, then find how many hours a day they have to work to complete the same work in 11 days given that each woman is twice as efficient as a man.Solution
ATQ,
Let assume the required time = 'x' hours
Let efficiency of each man = 'M' units per day
So, efficiency of each woman = 2 Γ M = '2M' units per day
According to the question:
A sum of Rs.2400 is distributed among A, B, C in the ratio of 3:7:10. What is the total amount received by A and B?
Find the mean proportion of 81 and 324.
βPβ had four Rs. 500 notes and a certain number of Rs. 50 notes with him while βQβ had eleven Rs. 200 notes and one Rs. 500 note with him. Later...
- If βAβ, βBβ and βCβ are in proportion in the given order while βAβ = 15 and βBβ = 30, then find the value of βCβ.
The numbers βAβ, βBβ and βCβ are in the ratio 2:3:5. If the difference between the largest number βCβ and the smallest number βAβ is...
A sum of money is divided in the ratio of 4:9. If the larger part is 153. Find the smaller part.
The ratio of the number of girls to the number of boys in a school of 990 students is 2 : 7. If 20 boys left the school, find how many new girls may be ...
Three numbers are in ratio 3:5:6. If the sum of the squares of those three numbers is 280 then find the sum of the three numbers.
Two numbers are respectively 20% and 10% more than a third number. Find the ratio of two numbers.
The ratio of two numbers is 4:9. If each number is decreased by 4, the ratio becomes 3:7. Find the smaller numbers.