3131: A worker reaches his factory 3 minutes late if his speed from his house to the factory is 5 km/hr. If he walks at a speed of 6 km/hr, then he reaches the factory 7 minutes early. The distance of the factory from his house is
(a) 4 km
(b) 5 km
(c) 6 km
(d) 7 km
3132: A circle (C), a square (S) and an equilateral triangle (T) have the same perimeter or circumference. The correct increasing order of their areas will be:
(a) T, S, C
(b) C, T, S
(c) T, C, S
(d) C, S, T
3133: The structural changes in exports means:
(a) Change in the commodities of export
(b) Increasing exports along with the imports
(c) Increasing imports
(d) Change in the commodities of imports
3134: If a block of gold weighing 100 gm in air is immersed in water with a string tied to a spring balance, what could be the probable weight indicated by the spring balance?
(a) Less than 100 gm
(b) Equal to 100 gm
(c) More than 100 gm
(d) Double of 100 gm
3135: Consider the following statements about the European Union :
I. The European Union was known earlier as the European Community.
II. The Single European Act (1986) and the Maastricht Treaty were milestones in its formation.
III. Citizens of European Union countries enjoy dual citizenship.
IV. Switzerland is a member of the European Union.
Which of the above statements are correct ?
(a) II and IV
(b) I and III
(c) III and IV
(d) I, II and III