Consider the following figures:
Change in positions of beads in the four figures above follows a sequence. Following the same sequence, which of the figures below should appear as the fifth figure above ?
a
b
c
d
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A bell rings every 18 minutes. A second bell rings every 24 minutes. A third bell rings every 32 minutes. If all the three bellsring at the same time at 8 o’clock in the morning, at what other time will they all ring together?