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The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If Z is open, which of the following must be true?
ক S is open
খ T is open
গ U is open
ঘ y is open
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If R is closed and U is open, which of the following must be true?
ক S is open
খ T is open
গ T is closed
ঘ Y is closed
At the end of given passage , some inferences drawn or supposed to be drawn from the paragraph are given. On the basis of the study of the paragraph, point out whether the inferences is- (a) Definitely true (b) Definitely false (c) probably true (d) probably false (e) can't say. Political freedom is incomplete and had little meaning without economic independence. Until the battle for economic independence is won, the emerging nation will be subjected to external pressure, which must be resisted. Bangladesh though herself in the throes of development has assisted the developing nations. Bangladesh is one of the developing countries.
ক Definitely true
খ Definitely false
গ probably true
ঘ probably false
With Japanese investors going for new investment destinations, Bangladesh has decided to set up an economic zone _______ for the entrepreneurs of the world's third largest economic power.
ক inclusively
খ exclusively
গ automatically
ঘ seriously
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If the maximum number of valves that can be closed at the same time are closed which of the following must true?
ক R is open
খ S is open
গ T is open
ঘ Z is open
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. Which of the following, if given to the mixing vat operator as an instruction, would not determine the setting of any other valve ?
ক S must be open
খ T must be open
গ U must be open
Read the following sentences: (i) The authority of the Pope was destroyed. (ii) The authority of the Pope was restored (iii) The authority of the Pope was temporarily suspended. Which sentence (s) means (mean) that the Pope can now do things which he could not do for some time?
ক (i)
খ (ii)
গ (iii)
ঘ Both (ii) and (iii)
According to ADB/World bank, the expected GDP growth rate of Bangladesh in the current fiscal year is expected to be close to :
ক 9%
খ 8%
গ 7%
ঘ 5%
In a cricket season, Bangladesh defeated Australia twice, West Indies defeated Bangladesh twice, Australia defeated West Indies twice , Bangladesh defeated New Zealand twice, West Indies defeated New Zealand twice. Which country has lost most number of times ?
ক Bangladesh
খ Australia
গ New Zealand
ঘ West Indies
The total population of 10 countries in the Asian zone is greater than the total population of 11 countries in the European zone. What can we say if one of the countries is dropped from the Asian zone ?
ক Total population of the Asian zone will still be greater than the total population of the European zone
খ Total population of the European zone will be greater than the total population of the Asian zone
গ Total population of both zones will be equal
ঘ We cannot say anything conclusively

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