Latest Elitmus Aptitude Question SOLUTION: if it takes 6 printing presses 4 hours to print 5000 newspaper how long shoul it takea 3 presses to print 3000 newspaper

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(#M40067028) ELITMUS Numerical Ability question quant Keep an EYE

if it takes 6 printing presses 4 hours to print 5000 newspaper how long shoul it takea 3 presses to print 3000 newspaper

Asked In Elitmus Riya Joshi (9 years ago)

Unsolved Read Solution (13)

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lovely verma  (9 years ago)

(6*4)/5000=(3*x)/3000
==> 24/5000=3x/3000
==> x=(24*3000)/(5000*3)
==> x=24/5
==> x=4.8 ans

Is this solution Helpfull? Yes (29) | No (1)  

soudipta  (9 years ago)

6machines → 4 hrs → 5000 papers......Then [6/2 = 3] machines → 4*2=8 → 5000 papers...Then 3000 papers will take [(8*3)/5]= 28/5 = 4.8 hrs = 288 mins = 4 hrs and 48 mins

Is this solution Helpfull? Yes (20) | No (1)  

praveen na  (9 years ago)

4.8 hrs is the answer

Is this solution Helpfull? Yes (11) | No (3)  

rahul  (9 years ago)

simple question if anyone know chain rule if 1. more hour ,more newpaper(direct),2.less hr ,more printing machine needed (reverse) ,
machine: 3:6 }
newspaper:5000:3000} = 4:x so 4*3*5000/3000*6,x=4.8 hr

Is this solution Helpfull? Yes (3) | No (1)  

ranjith  (9 years ago)

4.8hrs
(m1*t1)/w1=(m2*t2)/w2

Is this solution Helpfull? Yes (2) | No   

Shyam Kumar  (9 years ago)

(6*4)/(3*h) = (5000)/(3000);

h = 24/5;

h = 4.8 hours

Is this solution Helpfull? Yes (1) | No (1)  

Manas Ranjan Satapathy  (9 years ago)

let n be the hours
then from formula n1.d1.w2=n2.d2.w1
=>6*4*3000=n*3*5000
=>n=72000/15000
n=4.8

Is this solution Helpfull? Yes (1) | No   

krushi  (9 years ago)

3hrs 2min is the answr

Is this solution Helpfull? Yes | No (4)  

Yash Puri  (9 years ago)

ans will bi 1 hr 12 mins

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nanda kishore  (9 years ago)

4.8 is right answer

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sumitrathore  (8 years ago)

hey soudipta your answer is correct but will you plz explain how did you calculate 28/5=4.8

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SANTU MAITY  (8 years ago)

6 printing 4 hrs 5000 nsp
3 printing x hrs 3000 nsp
6*4/(3*x)=5000/3000
x=4.8hrs
4hrs 48 min

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Harshit Gupta  (6 years ago)

6 printing press takes 4 hours to print -> 5000 newspapers
1 printing press takes 24 hours to print ->5000 newspapers
3 printing press would take 8 hours to print ->5000 newspapers
So,
Now we see,
It takes 8 hours to print -> 5000 newspapers
So, it takes (8/5000)hrs to print -> 1 newspaper
and for 3000 newspapers, it would be
((8/5000)*3000) hrs to print ->3000 newspapers.

Ans. 4.8hrs

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