1. (d); Rainwater runoff is an example of nonpoint source pollution, which is pollution that comes from many sources over a large area. Other examples of nonpoint source pollution include excess fertilizers, herbicides, and insecticides from agricultural lands and residential…

(d); (a);    (a); (b); (c); (b); Obviously, Z is facing south                      (c); Clearly, Alok is in South – West direction from starting point. (b); As shown in Fig. the…

1. (d); Let present ages of Ramu and Somu be R and S respectively. 7R – 6S = 1 …..(i) 8R – 7S = – 4 ….(ii) Multiplying equation (i) by 8 and equation (ii) by 7, We get  56R…

Statement and Assumption 1. (a); (i) VALID: Root Cause. The government must have decided to pay the compensation to the adda victims assuming they have enough funds to meet the expenses, (ii) INVALID: Not directly related to the statement. It…

1. (d); HCF of two numbers is 8. This means 8 is a factor common to both the numbers. ∴ LCM must be a multiple of 8. By going through the options, 60 cannot be the LCM since it is…

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…

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…