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Please read the below given text for solving questions from 4 to 9
In an International organization of nine nations O,P,Q,R,S,T,U,V,W provide staff for the three technical agencies designated Balakrishna,Chandrasekhar and Dhanraj.Each nation provides one technician who must work in only one of the agencies·Agency Dhanraj may not have a member from U,V or W ·Agency Chandrasekahar may not have a member from R,S or T ·Agency Balakrishna may not have a member from O,P or Q ·Agency Dhanraj may have no members ·Agency Balakrishna must have exactly one or more member than Agency Chandrasekhar
Please read the below given text for solving questions from 10 to 12
MRF making Tyres in an international level .then it codes tires with four symbols using numbers 1 through 4 and the letters A through D.Each code has two
numbers and two letters .The two numbers must be next to each other and the two letters must be next to each other
.The two letters must be different .The numbers on the right must be more then one on the left .
If the letter A occurs,What must be also true?
B also occurs
C also occurs
D also occurs
A occurs once
Please read the below given text for solving questions from 13 to 16
Parmeshwar Rao working as landscape contractor.He is planting a row of seven kinds of trees .One tree has not arrived yet .We will label the trees A through F and number the evenly spaced holes 1 through 7 ,from left to right.The landscape architect has specified the following :
The distance from A to B must be same as that from C to D Trees E and F must be in adjacent holes ·
The empty hole must not be the extreme right one
Which of the following placements conforms to the rules ?