Questions

EI Hierro

Clearly, only segment Q fits after the first segment. This eliminates all the options except 1.

Option 2: It is incorrect because it ends in S which ends in 'towards' which can't be used to any statement.

Option 3: It is incorrect for the same reason as option 2.

Option 4: 'towards their plight further worsened' makes no sense; hence it can be eliminated.

Option 5: R is a clear misfit after the first segment; hence it can also be eliminated. Hence, the correct sequence is QSRP.

The gram formula mass is nothing but molar mass.

Composition :

Symbol      Element       Atomic weight       Atoms
   

     P         Phosphorus       30.973762               1       = 30.973
   

     O         Oxygen             15.9994                  4       =  63.998
   

     N         Nitrogen            14.0067                  3       =  42.020
   

     H         Hydrogen          1.00794                  12      =  12.096

Total   =  30.973+63.998+42.020+12.096 = 149.087

Senior IPS officer Alok Kumar Verma, Delhi Police Commissioner was appointed as new Director of the Central Bureau of Investigation. He will have tenure of two years. He was selected by a three-member committee comprising Prime Minister Narendra Modi, Chief Justice J S Khehar and Congress leader Mallikarjun Kharge. He will take over from interim director Rakesh Asthana, who was handed the reins of the premier investigating agency after former director Anil Sinha retired on December 2, 2016.

Cable television or cable TV became widespread during the 1980's.