Amar can finish a piece of work alone in 12 days. Atul alone can finish the same work in 24 days. If both of them work together, then in how many days will the work be finished?
A6 days
B8 days
C10 days
D12 days
Answer & Solution
Correct answer: B. 8 days
Using the standard formula for two people working together, required time $=\frac{12\times 24}{12+24}=\frac{288}{36}=8$ days. So the work is completed in 8 days.
Related questions
The study of inequalities is described as useful in solving problems in science and:A firm needing at least 6 units and at most 10 would write that as a:Which sign makes a statement an inequality rather than an equation?Unless stated otherwise, inequalities in that chapter are solved over the set of:The set of all values of the variable that make an inequality true is called its:Solving 4x plus 3 less than 6x plus 7 gives:When x is a real number in that inequality, the solution set is written as:When x is an integer in that inequality, the largest solution is: