Practice CSS questions with answers and explanations.
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The terms are consecutive perfect squares: 1², 2², 3², and 4².
The next term is 5² = 25.
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The terms follow n(n + 1): 1×2, 2×3, 3×4, and so on.
The next term is 6×7 = 42.
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The first letters advance by one, while the second letters advance by two.
After D-G, the next pair is E-I.
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The differences are 3, 5, 7, and 9.
The next difference is 11, giving 26 + 11 = 37.
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The operations alternate between multiplying by 3 and dividing by 2.
After 18, multiply by 3 to get 54.
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Both letters in each pair advance by two positions.
After GJ comes IL.
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Every term is multiplied by 2.
Therefore, 56 × 2 = 112.
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Each term is the sum of the preceding two terms.
Thus, 5 + 8 = 13.
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The successive increases are 3, 4, 5, and 6.
The next increase is 7, so 28 + 7 = 35.
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The sequence skips one letter each time.
After G, the next alternate letter is I.
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The amounts subtracted are 9, 16, and 25, which are 3², 4², and 5².
Subtracting the next square, 6² = 36, gives 50 - 36 = 14.
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The sequence moves backward by two letters.
Two letters before T is R.
