Practice FPSC questions with answers and explanations.
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The operations alternate between ×2 and -1.
After 13, multiply by 2 to obtain 26.
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The subtracted numbers are consecutive primes 2, 3, 5, 7.
Subtracting the next prime, 11, gives 22.
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The additions are 1, 4, 9, and 16, which are squares.
Adding 25 gives 57.
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These are descending squares 12², 11², 10², and 9².
The next term is 8² = 64.
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The terms follow n(n+1).
The next value is 6 × 7 = 42.
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Every term is multiplied by 2.
Therefore, 48 × 2 = 96.
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The increases are 5, 10, 15, and 20.
The next increase is 25, giving 85.
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The operations alternate between ×2 and +3.
After 42, add 3 to obtain 45.
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The decreases are 5, 10, 15, and 20.
The next decrease is 25, leaving 25.
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Each term is n² + 1 for n = 1, 2, 3, 4, 5.
The next term is 6² + 1 = 37.
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Gravity binds the components of a galaxy together.
The Milky Way contains the Solar System.
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The terms are factorials: 1!, 2!, 3!, and 4!.
The next term is 5! = 120.
