3346: Five balls of different colours are to be placed in three different boxes such that any box contains at least one ball. What is the maximum number of different ways in which this can be done?
(A) 120
(B) 90
(C) 180
(D) 150
3347: Six faces a cube are numbered from 1 to 6, each face carrying one different number. Further,
1. The face 2 is opposite to the face 6.
2. The face 1 is opposite to the face 5.
3. The face 3 is between the face 1 and the face 5.
4. The face 4 is adjacent to the face 2.
Which one of the following is correct ?
(a) The face 2 is adjacent to the face 3
(b) The face 6 is between the face 2 and the face 4
(c) The face 1 is between the face 5 and the face 6
(d) None of the above
3348: Those who give birth to young-ones are called viviparous. Some fishes lay eggs. Therefore:
(a) Some fishes do not lay eggs
(b) Some frogs are fishes
(c) Some frogs do not lay eggs
(d) Some fishes are viviparous
3349: The basic structure theory of the Constitution of India implies that
(a) certain features of the Constitution are so essential to it that they cannot be abrogated
(b) fundamental rights cannot be abridged or taken away
(c) the Constitution cannot be amended except in accordance with the procedure prescribed in Art, 368
(d) the Preamble of the Constitution cannot be amended for it is not a part of the Constitution and at the same time represents its real spirit
3350: A boat which has a speed of 5 km/hr in still water crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water in km/hr is
(a) 1
(b) 3
(c) 4
(d)