3991: A question paper had ten questions. Each question could only be answered as True (T) or False (F). Each candidate answered all the questions. Yet, no two candidates wrote the answers in an identical sequence. How many different sequences of answers are possible?
(A) 1024
(B) 20
(C) 40
(D) 512
3992: With reference to 'Eco-Sensitive Zones', which of the following statements is/are correct?
1. Eco-Sensitive Zones are the areas that are declared under the Wildlife (Protection) Act, 1972.
2. The purpose of the declaration of Eco-Sensitive Zones is to prohibit all kinds of human activities in those zones except agriculture.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
3993: According to the Census 2001, which one of the following Indian States has the maximum population in India after Uttar Pradesh?
(a) West Bengal
(b) Maharashtra
(c) Tamil Nadu
(d) Bihar
3994: Gandhara School of Art was developed during the reign of:
(a) Ashoka
(b) Kanishka
(c) Chandragupta
(d) Bindusara
3995: A rectangular sump of dimensions 6 m x 5 m x 4 m is to be built by using bricks to make the outer dimension 6.2 m x 5.2 x 4.2 m. Approximately how many bricks of size 20 cm x 10 cm x 5 cm are required to build the sump for storing water ?
(a) 1500
(b) 3000
(c) 15000
(d) 30000