Question
'B' and 'C' in a team can complete a piece of work in 25
days andĀ on other hand 'B' alone can do the same work in 40 days. If they started the work in a team and after 10 days 'B' left, then What will be the time taken by 'C' alone to complete the remaining work.Solution
Let the entire work will beĀ = (LCM of 40 and 25) = 200 units The efficiency of 'B' = (200)/(40) = 5 units/day The efficiency of 'B' and 'C' together = (200)/(25) = 8 units/day Then, efficiency of 'C' = 8 - 5 = 3 units/day Letā 'C' worked alone for 'd' days ATQ, we can say thatĀ 8 x 10 + (3 x d) = 200 Or, 3d = (200 - 80) = 120 Or, d = 120/3 = 40 Therefore, 'C' can complete the remaining work in 40 days
A rectangular piece of copper foil of length 42 cm and area 924 cm2 is folded along its width to form a cylinder such that there is only one ...
Journal lists transactions in which order?
Nursing breaks under the Maternity Benefit Act, 1961 must be provided until the child is:
A train can cross a pole in 48 seconds. While if the train increased its speed by 50% then time taken by it to cross 225 metres long platform is 42 seco...
Which of the following is not a part of the Von Neumann architecture?
The United Nations Permanent Forum on Indigenous Issues (UNPFII) is a high-level advisory body established in ________________ .
Three of the following words are alike in some manner and hence form a group. Which word does NOT belong to that group?
According to the Economic Survey 2020 - 21, which one of the following will be India's real GDP growth in the year 2021 - 22 ?
Find the median of 5, 9, 10, 10, 4, 8, 6, 5 and 12.
Consider the following statements regarding Saksham Anganwadi and the Poshan 2.0 initiative: Which of the following statements is/are not correct?
...
Relevant for Exams:
