4041: In a particular region in India, the local people train the roots of living trees into robust bridges across the streams. As the time passes, these bridges become stronger. These unique 'living root bridges' are found in

(a) Meghalaya
(b) Himachal Pradesh
(c) Jharkhand
(d) Tamil Nadu
4042: Which among the following National Highway routes is the longest?

(a) Agra-Mumbai
(b) Chennai-Thane
(c) Kolkata-Hajira
(d) Pune-Machilipatnam
4043: Which one of the following is an artificial lake ?

(a) Kodaikanal (Tamil Nadu)
(b) Kolleru (Andhra Pradesh)
(c) N ainital (Uttarakhand)
(d) Renuka (Himachal Pradesh)
4044: "Bijanti" government is compared to the Chola's for:

(a) Rural democracy

(b) Administrative system

(c) Land revenue collection system

(d) Display of wealth
4045: In a family, a couple has a son and a daughter. The age of the father is three times that of his daughter and the age of the son is half of his mother. The wife is nine years younger to her husband and the brother is seven years older than his sister. What is the age of the mother ?

(a) 40 years
(b) 45 years
(c) 50 years
(d) 60 years