2846: The silver coins issued by the Guptas were called
(a) rupaka
(b) karshapana
(c) dinara
(d) pana
2847: Examine the following statements:
I. Either A and B are of the same age or A is older then B.
II. Either C and D are of the same age or D is older than C.
III. B is older than C.
Which one of the following conclusions can be drawn from the above statements?
(a) A is older than B
(b) B and D are of the same age
(c) D is older than C
(d) A is older than C
2848: The difference between the simple interest received from two banks on Rs. 500 for two years is Rs. 2.50. What is the difference between their rates ?
(A) 0.25%
(B) 0.5%
(C) 1%
(D) 2.5%
2849: Which one of the following is a useful functional association between fungi and the roots of higher plants ?
(a) Biofertilizer
(b) Coralloid root
(c) Lichen
(d) Mycorrhiza
2850: A car runs at a speed of 40 km per hour during the first half of the journey and at a speed of 60 km per hour during the second half of the journey. The average speed of the car is:
(a) 48 kmph
(b) 50 kmph
(c) 52 kmph
(d) 54 kmph