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Sequence
What is the next term in the sequence: 2, 1, 3, 4, 7, 11?
The sequence is formed by adding the previous two terms: starting with 2 and 1, the next terms are 2+1=3, 1+3=4, 3+4=7, 4+7=11. Therefore, the next term is 7+11=18, which corresponds to option B.
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Number series
What is the next number in the series: 5, 8, 14, 26, ?
The pattern in the series is that the difference between consecutive terms doubles each time: 8 - 5 = 3, 14 - 8 = 6 (which is 2 × 3), 26 - 14 = 12 (which is 2 × 6). Following this pattern, the next difference should be 24 (2 × 12). Adding 24 to the last term 26 gives 50. Therefore, the next number in the series is 50, which corresponds to option C.
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Analogies
Bank : River :: Coast : ________?
The analogy compares 'Bank' to 'River' as a bank is the land alongside a river. Similarly, a 'Coast' is the land alongside the 'Sea'. Therefore, the correct answer is 'Sea'.
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Seating Arrangement
Six persons A, B, C, D, E, and F are standing in a row. C and D are standing close to each other alongside E, and B is standing beside A only. A is fourth from F. Who is standing at the extremes?
Given the conditions, B stands beside A only, and A is fourth from F, placing A and F apart with B next to A. C and D stand close alongside E, so they occupy the middle positions. This arrangement places B and F at the extremes.