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3. Arun worked for the maximum time with more efficiency and Q worked for less hours. Amount of work done in 10 hours = (5 + 10 + 25) x 4 + (10 + 25 – 1) x 6 = 364 Required time = 10 + (600 – 364)/ (25 – 1 – 2 x 3) = 23.11 hours

2. Required minimum possible time = 60 – 30 = 30 hours.

1. Quantity I: Efficiency of Q = 2 x 5 = 10 units/hour Efficiency of Arun = 25 or 20 So, Required time = 600 / (20 – 10) = 60 hours OR 600/ (25 – 10) = 40 hours Quantity II: Time taken by P = 50% x (600/5) = 60 hours Quantity I ≤ Quantity II

Solution: One member of the demotivator team alone demolishes the work in = 150 x 2 = 300 hours Another member of the demotivator team alone demolishes the work in = 90/15 x 100 = 600 hours Q destroyed more work in 1 hour than P So, time taken by Q alone = 300 hours Time taken by P alone = 600 hours Let, the total work = 600 units So, rate of destroying of Q and P = 2 units and 1 unit per hours Time taken by Himanshi and one demotivator together to complete the whole work = 120/80 x 100 = 150 hours Efficiency of (Himanshi + One demotivator) = 600/150 = 4 units/ h (Himanshi + Q or P) = 4 units/h So, efficiency of Himanshi = 4 +1 or (4 + 2) = 5 units/h or 6 units/h So, time taken by Himanshi alone to complete the work = 600/5 or 600/6 = 120 hours or 100 hours So, time taken by Himanshi to complete the whole work alone = 120 hours Two motivators, can complete the whole work in = 20 hours [efficiency = 30 units/hour] Two motivators, can complete the whole work in = 30/75 x 100 = 40 hours [efficiency = 15 units/hour] Arun is the most efficient compared to the other members. So, Arun is one of the two members who complete the work together in = 20 hours So, (Himanshi + Minakshi) together must complete the work in = 40 hours So, efficiency of Minakshi = 15 – 5 = 10 units/hr [Time taken = 600/10 = 60 hours So, efficiency of Arun = (30 – 5) Or (30 – 10) = 25 or 20 So, time taken by Arun to complete the whole work = 600/25 OR 600/20 = 24 hours or 30 hours

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1. Quantity I: If Q works at five times its efficiency, find the time taken to complete the whole work by Q and Arun together. Quantity II: If P works at five times its efficiency, find the time taken by P alone to demolish the work, which is 50% of the original work. a. Quantity I < Quantity II b. Quantity I > Quantity II c. Quantity I = Quantity II d. Quantity I ≥ Quantity II e. Quantity I ≤ Quantity II 2. Find minimum possible difference between the time taken by Minakshi and the time taken by Arun to complete the task alone. a. 30 hours b. 24 hours c. 36 hours d. 20 hours e. None of these 3. All members of the motivator team started the work, and after four hours, one of the members is replaced by one of the members of the demotivator team. After 10 hours from the start of the work, another member of the motivator team is replaced by a member of the demotivator team, and the rest of the work was completed by one member of the motivator team and two members of the demotivator team. Find the minimum possible time to complete the work. (Q worked at thrice its original efficiency). a. 22.5 hours b. 23.5 hours c. 22.2727 hours d. 23.11 hours e. None of these sиαρσnє🌱 4. The efficiency of Minakshi is Z% more or less than that of Himanshi. The time taken by Kabir to complete the same job alone is Z hours. If Kabir, P and Q started the work in alternate manner such that for one hour Kabir worked and the next hour both P and Q worked together, find how many hours it will take to complete the work. a. 397 hours b. 200 hours c. 199 hours d. 399 hours e. None of these 5. When all members of both teams are working together, find the time taken (approx.) to complete the job if the time taken by Arun alone to complete the task > 25 hours? a. 16 hours b. 20 hours c. 18 hours d. 17 hours e. 19 hours 💥Join : @Quant_Genius

There are two teams – Motivators (Arun, Minakshi, and Himanshi) and Demotivators – (P and Q). The chart given below shows the
There are two teams – Motivators (Arun, Minakshi, and Himanshi) and Demotivators – (P and Q). The chart given below shows the time taken in hours by some pairs to complete certain % of work. All members have different capabilities. Note: The rate of destroying the work of Q is more than that of P, while the time taken by Arun to complete the work alone is less than any other member to complete or demolish the work alone. Arun worked on only one of the above works given in the bar. A motivator is a positive worker, while a demotivator is a negative worker. The time taken by Himanshi to complete the whole work is > 100 hours

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