Related Questions

There are blank spaces in the following passage which have been numbered . These numbers are printed below the passage and against each some words are suggested . Find out the word that best fit the blank spaces. Global Strategies to control infective disease have historically included the erection of barriers to international travel and ___ (24) _______. Keeping people with such deadly disease outside national borders has ___ (25) _______ as an important public health policy in the human immunodeficiency virus (HIV) epidemic . Betwwn 29 and 50 countries ___ (26) _____ to have introduced border restrictions on HIV _ positive foreigners ,usually those planning an ___ (27) ___ stay in the country , such as students , workers or seamen.
A migration
B immigrate
C emigration
D immigration
Fill in the blanks with appropriate preposition : The interviews were conducted ___ weekdays ___ noon and 6 p.m.
A in , at
B in , in
C on , at
D on , between
Which are the correct words to fill in the gap of the sentence? I am offended ___ you ___ your conduct. 
A with, at
B with, on
C at, on
D with, for
Choose the appropriate preposition to fill up the gap in the following sentence: “ Be mindful ____ your duties.”
A of
B on
C with
D to
Choose the appropriate preposition to fill up the gap in, Be mindful ______ your duties.
A of
B on
C with
D to
One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in :
A 81 min
B 108 min
C 144 min
D 192 min
One pipe can fill a pool in 6 hours, and a second pipe can fill the same pool in 12 hours. If both pipes work together, how long will it take to fill the pool?
A 3 hours
B 3.5 hours
C 4 hours
D 4.5 hours
2 large and 1 small pumps can fill a water tank in 4 hours. 1 large and 3 small pumps can also fill the same water tank in 4 hours . How many hours will it take for 3 large 4 small pumps to fill the tank?
A 2 hours
B 2.5 hours
C 3 hours
D 3.5 hours
Three pipes P, Q and R can fill a tank in 6 hours. After working all three together for 2 hours, R is closed and P and Q can fill the remaining part in 7 hours. The number of hours taken by R alone to fill the tank is-
A 10
B 12
C 14
D 16
Three pipes P, Q and R can fill a tank in 6 hours. After running all three together for 2 hours, R is closed and P and Q can fill the remaining part in 7 hours. The number of hours taken by R alone to fill the tank is ---
A 10
B 12
C 14
D 16

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