IBM
Company
Numerical Ability
Time and Work
Two administrative officer can do a work in 10 hours. But with the help of computer they can complete in 1/2 hour less. how many hours they will take to complete the work with the help of computer
Read Solution (Total 16)
-
- 1/a+1/b=1/10
1/a+1/b+1/c=9 1/2= 19/2 reciprocal=2/19
1/c=2/19-1/10=192.30min
192.60=3.20hrs - 10 years agoHelpfull: Yes(33) No(8)
- It is clear 9.5hr
- 10 years agoHelpfull: Yes(20) No(5)
- 190=3.10hrs
- 10 years agoHelpfull: Yes(14) No(4)
- its 190hrs only with computer...
- 9 years agoHelpfull: Yes(7) No(0)
- @SIVAABHILASH: why u have taken reciprocal of 1/a+1/b+1/c ???
- 10 years agoHelpfull: Yes(4) No(0)
- IT IS 9.5HR :D
- 10 years agoHelpfull: Yes(3) No(2)
- 9 & 1/2 hours ... if you have written that correctly.
- 10 years agoHelpfull: Yes(2) No(4)
- @manisha
we have 2 take 1/a+1/b+1/c=1/[19/2]
if u can't understand refer time nd work problems... - 10 years agoHelpfull: Yes(2) No(6)
- As specified 2 officers complete work in : 10hrs
With computer they take : half hour less(in each of 10hr)
So they take :1/2+1/2+1/2+1/2+1/2+1/2+1/2+1/2+1/2+1/2(i.e 1/2*10)=5
So they take 5 hrs with the help of computer - 8 years agoHelpfull: Yes(2) No(2)
- 8hrs... as it is for both the officers.
- 10 years agoHelpfull: Yes(0) No(8)
- yaar keh raha hu 9.5 hr samjh nhi aata kya
- 10 years agoHelpfull: Yes(0) No(5)
- Actually whats the right solution for this problem.someone has given as 9 and some one as 3.20 .. Its really confusing. Its better if you provide right answer for the question
- 9 years agoHelpfull: Yes(0) No(0)
- which one is the correct answer
- 8 years agoHelpfull: Yes(0) No(0)
- 9.5 is correct
- 8 years agoHelpfull: Yes(0) No(0)
- don't be confused..
correct answer is 9&1/2 hrs. - 8 years agoHelpfull: Yes(0) No(1)
- Here thay given Rs 400 is printed prise
he offer 10% of printed price=10% of 400=40
cp=400-40-12=348 - 8 years agoHelpfull: Yes(0) No(0)
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8) 2,1,2,3,8,0,1,9,1,2
9) 4,11,66,74,370,379
10) 92,48,16,10,6.5
11) 2,1/3,2/3,6,7,1/2,3 1/2,14,20,1/5,4
12) 0,1,2,0.5,2,3,5,1,2,0,2,1,4,2,3
13) 2,7,36,4,14,225,6,21
14) 2,1,2,3,2,9,9,0,1,1,9
15) 36,42,16,20,36,42,4
16) 25,13,39,17,51,19,57,15,45
17) 0,1,0,2,2,2,3,4,5,6,6
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