A and B can finish a piece of work in 20 days .B and C in
30 days and C and A in 40 days.
In how many days will A alone finish the job?
- 5 Answers
- 40671 Views
- Infosys, Wipro, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
(A+B)'s 1 day's work = 1/20
(B+C)'s 1 day's work = 1/30
(C+A)'s 1 day's work = 1/40
Adding above, 2(A+B+C)=(1/20)+(1/30)+(1/40)
=13/120
A+B+C =13/240
To get A's work,(A+B+C)-(B+C)=(13/240)-(1/30)
=5/240
Therefore A can finishes the work in 240/5 days .ie 48 days
| Is This Answer Correct ? | 144 Yes | 7 No |
what is Genome annotation?
If cos2A + cos2B + cos2C = 1 then ABC is a (a) Right angle triangle (b) Equilateral triangle (c) All the angles are acute (d) None of these
Which of the following is not an essential condition for interference (a) The two interfering waves must be propagated in almost the same direction or the two interfering waves must intersect at a very small angle (b) The waves must have the same time period and wavelength (c) Amplitude of the two waves should be the same (d) The interfering beams of light must originate from the same source.
How to find patterns in noisy data?
what is the length of the exon and intron
How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph?
Draw the E-R diagram for the database of a departmental store having the following relational database scheme Employees(e-no, address) Department(d-name) work-n(e-no, d-name) Looking-after(d-name, e-no) Item (item-no, brand-name, model-no, cost-price, sale-price)
What two possibilities are there to describe how gene fragments may have evolved?
What is the Equation for cell diffusion?
How will you value a biotech company as opposed to a consumer products company?
How to find coexpressed genes on NCBI GEO?
How much template do you need for sequencing?
Micro Biology 
