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Sticky Note
The first term in a sequence is 1 and the second term is 5. From the third term onwards, each term is the average (arithmetic mean) of all preceding terms. What is the 27th term in the sequence?
  1. 2.5
  2. 3
  3. 5.5
  4. None of these
Explanation

Let's analyze the sequence:

  • Term 1: 1
  • Term 2: 5

From the third term onwards, each term is the average of all preceding terms. So:

  • Term 3: (1+5)/2 = 3
  • Term 4: (1+5+3)/3 = 3
  • Term 5: (1+5+3+3)/4 = 3

Related MCQs

  1. 43
  2. 44
  3. 45
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں

  1. 2
  2. 3
  3. 4
  4. 5
اس سوال کو وضاحت کے ساتھ پڑھیں

  1. E
  2. F
  3. C
  4. D
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  1. Gloomy
  2. Mean
  3. Petty
  4. Helpful
اس سوال کو وضاحت کے ساتھ پڑھیں

  1. Milk
  2. Ounce
  3. Liquid
  4. None of these
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