Related Questions

A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
Which of the following is the most widely used computer device ?
A Solid state disks
B External hard disk
C Internal hard disk
D Printer
Which of the following is the most widely used insulating material for steam carray-ing pipelines?
A Ceramic fibre blanket
B Glass wool and 85% magnesia
C Vermiculite
D Slag wool
Which of the following is the most widely used disinfectant in water treatment?
A Chlorine
B Irradiation of water by ultraviolet light
C Cation exchanger
D Coagulation
Which of the following is the most widely used heat insulating material for pipelines carrying steam?
A Tar dolomite bricks followed by asbestos
B Fireclay refractory followed by aluminium sheet
C Cotton followed by aluminium foil
D 85% magnesia cement and glass wool
Which of the following is the most widely used cracking process in oil refineries?
A Dubbs process
B T.C.C. moving bed process
C Fluidised bed catalytic cracking process
D Houdry's fixed bed process
Assembly languages are most commonly used to write computing systems that provide
A supervisory information
B priority setting information
C planning information
D All of the above
E None of the above
Which is the earliest and most widely used shell that came with the UNIX system?
A C shell
B Korn shell
C Bourne shell
D Smith shell
E None of the above
Which is the most widely used semiconductor?
A Copper
B Silicon
C Germanium
D All of the above
E None of the above
Which is the most widely used coagulant for the treatment of turbid water?
A Alum (aluminium sulphate)
B Lime
C Ferric chloride
D Sodium aluminate

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