Question : Disha takes 12 hours to copy a 75-page manuscript, while Mohit can copy the same manuscript in 10 hours. How many hours will it take for them to copy a 150-page manuscript if they work together?
Option 1: $10 \frac{10}{11}$ hours
Option 2: $9 \frac{9}{11}$ hours
Option 3: $8 \frac{9}{11}$ hours
Option 4: $11 \frac{8}{11}$ hours
New: SSC CHSL Tier 2 answer key released | SSC CHSL 2024 Notification PDF
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
New: Unlock 10% OFF on PTE Academic. Use Code: 'C360SPL10'
Correct Answer: $10 \frac{10}{11}$ hours
Solution : Given: Time taken by Disha = 12 hours Time taken by Mohit = 10 hours Total work = LCM of (12, 10) = 60 units 60 units = 75 pages ⇒ 120 units = 150 pages Efficiency of Disha = $\frac{60}{12}$ = 5 Efficiency of Mohit = $\frac{60}{10}$ = 6 If they work together, the time taken to complete the work, = $\frac{120}{5+6}=10 \frac{10}{11}$ hours Hence, the correct answer is $10 \frac{10}{11}$ hours.
Candidates can download this e-book to give a boost to thier preparation.
Result | Eligibility | Application | Admit Card | Answer Key | Preparation Tips | Cutoff
Question : If a man completed a work in 10 days and the same work was completed by a woman in 8 days. How many days will it take to complete if they work together?
Question : Aditya can complete a grill painting job in 20 hours, while Vinay can complete the same work in 15 hours. If Aditya and Vinay both work together, then in how many hours will the painting work be completed?
Question : Rohan and Mohit, together, can build a wall in 8 days. Mohit and Vikas can build the same wall in 10 days and Vikas and Rohan can Build the same wall in 12 days. In how many days can all three complete the same wall while working together?
Question : Rama alone can do a work in 5 days working 4 hours a day. Seema alone can do the same work in 3 days working 10 hours a day. How many hours do they need to work together in a day to complete the same work in 6 days?
Question : If tan A = 3, then what is the value of 3sin A cos A?
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile