Question
A and B can complete a task together in 30 days, while B
alone takes 60 days to finish it. A began working alone and left after βxβ days, after which B completed the remaining work in 45 days. Determine the percentage of the total work completed by A.Solution
Let total amount of work be 60 unitsEfficiency of (A + B) = 60/30 = 2 units/dayEfficiency of βBβ = 60/60 = 1 unit/dayAmount of work done by βBβ = 45 Γ 1 = 45 unitsPercentage of work done by βAβ = {(60 β 45)/60} Γ 100 = 25%
1. I am a simple man.
P. That year the winter came early.
Q. So I love the earth, the fresh air, the animals, an...
1. Shaila and Jasmine, two young artists, shared a small flat.
P. She had pneumonia.
Q. Jasmine fell very seriously ill one day.
...Which of the following is the fourth sentence after rearrangement?
Each question is divided into four parts a,b,c,d. In some questions they are not in the sequence so according to grammar and context re- arrangement is...
Choose the correct statement as your answer.
Which should be the first sentence after rearrangement?
Directions: In each of the following questions, a sentence is given with three words marked as (A), (B), and (C). These words may or may not be placed ...
In Each question below has a sentence with five highlighted words that are jumbled. You need to rearrange them in the correct order to make a coherent s...
Which should be the last sentence after rearrangement?
In Each question below has a sentence with five highlighted words that are jumbled. You need to rearrange them in the correct order to make a coherent s...