3051: A person walks 10 km north from a point, then he moves 20 km south and subsequently he turns 20 km north. He again turns 20 km south and then moves 10 km east. How far is he from the starting point?
(a) 10 km
(b) 20 km
(c) 30 km
(d) None of the above
3052: Four persons Alok, Bhupesh, Chandu and Dinesh have a total of Rs. 100/- among themselves. Alok and Bhupesh between them have as much money as Chandu and Dinesh between them but Alok has more money than Bhupesh, and Chandu has only half the money that Dinesh has Alok has in fact Rs. 5/- more than Dinesh. Who has the most money ?
(a) Alok
(b) Bhupesh
(c) Chandu
(d) Dinesh
3053: Most of the desert plants bloom during night time because
(a) their blooming is controlled by low temperature
(b) they are sensitive to the phases of moon
(c) the desert insects eat away flowers during day time
(d) the desert insects are active during night time
3054: Total internal reflection occurs when light travels from:
(a) A rarer medium to a denser medium
(b) A denser medium to a rarer medium
(c) A rarer medium to a denser medium and the angle of incidence is less than the critical angle
(d) A rarer medium to a denser medium and the angle of incidence is greater than the critical angle
3055: Which of the following provisions of the Constitution of India have a bearing on Education?
1. Directive Principles of State Policy
2. Rural and Urban Local Bodies
3. Fifth Schedule
4. Sixth Schedule
5. Seventh Schedule
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 3, 4 and 5 only
(c) 1, 2 and 5 only
(d) 1, 2, 3, 4 and 5