Question
X and Y alone can complete a work in 10 and 40 days,
respectively. 50% of the work is completed by Z in 20t days, and the remaining work is completed by X and Y working together in ‘t’ days. Find the time taken by Y and Z to complete the whole work while working together.Solution
Time taken by X and Y to complete the whole work while working together = (10 × 40)/(10 + 40) = 8 days So, t = 8/2 = 4 (Since, 50% of the work is done by X and Y together) As, time taken by Z to complete 50% of the work = 4 × 20 = 80 days So, time taken by Z to complete the entire work = 80 × 2 = 160 days Therefore, time taken by Y and Z to complete the whole work while working together = (160 × 40)/(160 + 40) = 32 days
Which of the following phase of National Dairy Plan was referred as ‘Mission Milk — The Next Revolution’, implemented by the National Dairy Develo...
In the context of five year plans, Which of the following can be regarded as basic objective of planning in India?
I. A sizeable increase in the ...
Which of the following horticulture development mission is subsumed in Mission for Integrated Development of Horticulture (MIDH)?
The market structure called monopoly exists where there _______ in any market.
Where in India the Cold Biosphere Desert located?
In a group of students, the number of girls is three-fourth of the number of boys. If two-third of the number of girls and one-half of the number of boy...
Which film won the Best Motion Picture – Drama award at the 2025 Golden Globe Awards?
Which one of the following is not the broker platform?
Which state has the second highest number of seats in the Lok Sabha?
According to Dalton’s atomic theory, atoms combine in the ratio of small whole numbers to form ______.
Relevant for Exams:
