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(#M40037666) ONGC QUESTION ONGC Keep an EYE

Two pipes A and B can fill a tank in 10 and 20 minutes respectively.If both pipes are opened simultaneously,after how many minutes should pipe B be closed so that the tank is full in 8 minutes?
A. 3 min
B. 4 min
C. 2 min
D.5 min

Asked In ongc vinodh kumar (11 years ago)

Unsolved Read Solution (4)

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(#M40037447) ONGC QUESTION Keep an EYE

IN what proportion must rice that cost Rs.20/kg be mixed with rice that costs RS.25/kg so that the mixture is worth Rs.22/kg?
a.1:3
b.3:1
c.2:3
d.3:2

Asked In ONGC vinodh kumar (11 years ago)

Unsolved Read Solution (2)

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(#M40037402) ONGC QUESTION Keep an EYE

Out of 8 crew members 3 particular members can sit only on the left side.Another 2 particular members can sit on the right side.Find the number of ways in which the crew can be arranged so that four men can sit on each side

Asked In ONGC Sravya (11 years ago)

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