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    rajeev takes one hour to arrange 96 books. sanjeev takes one and a half hour to arrange the same number of books. working together, how many hours will they take to arrange 4000 books?

    Mohammed

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    get rajeev takes one hour to arrange 96 books. sanjeev takes one and a half hour to arrange the same number of books. working together, how many hours will they take to arrange 4000 books? from screen.

    SOLVED: Rajeev takes one hour to arrange 96 books.Sanjeev takes one and a half hour to arrange the same number of books.Working together in how many hours they will arrange 4000 books?

    VIDEO ANSWER: Okay Rajiv can do 96 books in one hour And Sanjeev can do 96 books in 1.5 hours. So what if we had two hours 96 times two is 1 92. He could arrange 1 92 books in two hours. And for CNG we would need to do 96 divided by two Plus 96.

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    Time and Work.pdf

    View Time and Work.pdf from MATH MISC at Diablo Valley College. Time and Work Drill 1: Solutions Exercise 1 a. Answer: 24 days Explanation: Method 1: What is the work done by A in a day What is the

    Time and Work.pdf - Time and Work Drill 1: Solutions...

    Diablo Valley College

    MATH MISC qsqidfzymydwawiwrs 15

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    1Time and WorkDrill 1: SolutionsExercise 1a.Answer:24 daysExplanation:Method 1:What is the work done by A in a day= 1/40What is the work done by B in a day= 1/60What is the work done by A and B in a day= 1/40 + 1/60Time taken to complete the work= 24 daysMethod 2:Quantity of work to be done= 120 unitsWork done by A in 1 day= 3 unitsWork done by B in 1 day= 2 unitsWork done by A & B in 1 day= 5 unitsTime taken to complete the work= 24 daysb.Answer:72 daysExplanation:Method 1:Work done by Rajeev in 1 day= 1/64Work done by Rajeev and Vikram in 1 day= 1/48Work done by Vikram in 1 day= 1/192Work done by Rajeev and Vikram in 30 days= 5/8Remaining work to be completed by Vikram= 3/8Time taken by Vikram to complete the remaining work= 72 daysMethod 2:Quantity of work to be done= 192 unitsWork done by Rajeev & Vikram in 1 day= 4Work done by Rajeev in 1 day= 3 units

    3Total Work = 336 LitresTime taken to fill 336 litres = 336/14 =24 minutesb.Answer:8 minutesExplanation:Total Work = 30 Litres1 min5 litres are filledFor 3 min15 litres,Therefore the remaining to be filled= 30-15= 15 litresAfter 3 min B is turned off which means‘A’alone is on.A3 l/m to fill 15 l, A will take 15/3 = 5 minsTotal time taken = 3 mins + 5 mins= 8minutesc.Answer:12minutesExplanation:Total Work = 60 lTotal time taken = 60 l/ (5l/m)=12 minutesd.Answer:60 minutesA42 min8 l/mB56 min6 l/mA + B-14 l/mA10 min3 l/mB15 min2 l/mA + B-5 l/mP10 min6 l/mQ15 min4 l/mR12 min- 5 l/mP + Q + R-6 l/m

    4Explanation:A20 minsDue to leak extra 10 min (i.e.) A + B30 min[Let us take B as Leakage pipe]Total Work LCM = 60 LBy Solving we get, 3 l/m + B = 2 l/m; B = -1 l/mB can empty 1l/m.So to empty 60 litres it will take 60/1=60 minutesDRILL 3:a.Answer:16 daysExplanation:Solving by chain ruleMenDaysHours1215818?5If we solve by chain rule, men is inversely proportional to days and to hours, therefore, multiplythe data straight and equate12*15*8 = 18*X*5X = 16Therefore, it takes16 daysBy using formula(N1D1H1)/W1= (N

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    Term Spring Professor DR.Matern Tags

    Harshad Number, Vikram, Rajeev

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    Rajeev and Sanjeev are too close friends. Rajeev's watch gains 1 minute in an hour and Sanjeev's watch loses 2 minutes in an hour. Once they set both the watches at 12: 00 noon, with my correct watch. When will the two incorrect watches of Rajeev and Sanjeev show the same time together?

    Click here👆to get an answer to your question ✍️ Rajeev and Sanjeev are too close friends. Rajeev's watch gains 1 minute in an hour and Sanjeev's watch loses 2 minutes in an hour. Once they set both the watches at 12: 00 noon, with my correct watch. When will the two incorrect watches of Rajeev and Sanjeev show the same time together?

    Question

    Rajeev and Sanjeev are too close friends. Rajeev's watch gains 1 minute in an hour and Sanjeev's watch loses 2 minutes in an hour. Once they set both the watches at 12:00 noon, with my correct watch. When will the two incorrect watches of Rajeev and Sanjeev show the same time together?

    A

    8 days later

    B

    10 days later

    C

    6 days later

    D

    can't be determined

    Medium Open in App Solution Verified by Toppr

    Correct option is B)

    Rajeev's watch gains 1 minute in an hour.

    So, it will gain 24 minutes per day.

    Sanjeev's watch loses 2 minutes in an hour.

    So, it will lose 48 minutes per day.

    After 10 days Rajeev's watch gains 240 minutes i.e. 4 hours. and Sanjeev's watch loses 480 minutes i.e. 8 hours.

    Hence, after 10 days their watches show the same time 4 hour.

    Thus the correct answer is 10 days.

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    Mohammed 1 month ago
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