Relationships 1. (b): The narrator has no brother, which means the father’s son must be the narrator himself. Therefore, the photograph must be of his son. 2. (d): The only son of a grandfather could be either the father or…
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Chemistry 1. (c); The most important form of elemental phosphorus from the perspective of applications and chemical literature is white phosphorus. It consists of tetrahedral P4 molecules, in which each atom is bound to other three atoms by a single…
PHYSICS 1. (c); Echo is a reflection of sound that arrives at the listener with a delay after the direct sound. The reflecting object must be more than 17m from the sound source for echo to be perceived by a…
1. (b) Explanation: The pattern is -21, -19, -17, -15… So, missing term = 113 – 15 = 98. 2. (c) Explanation: The digits are removed one by one from the beginning and the end in alternate order so as…
1. (b); The year 2007 is an ordinary year. So, it has 1 odd day. 1st day of the year 2007 was Monday. 1st day of the year 2008 will be 1 day beyond Monday. Hence, it will be Tuesday….
RRB Number System Solutions