Practice NAT Quantitative Reasoning questions with answers and explanations.
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The operations alternate between ×2 and +3.
After 42, add 3 to obtain 45.
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The jumps are +3, +4, and +5.
The next jump is +6, taking O to U.
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The decreases are 5, 10, 15, and 20.
The next decrease is 25, leaving 25.
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The backward jumps are 2, 3, and 4 letters.
Moving 5 letters back from D gives Y after wrapping.
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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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The series alternates from the start and end of the alphabet.
After C-X comes D.
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The terms follow n³ + 1.
For n = 5, the value is 125 + 1 = 126.
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Each pair has consecutive letters, with starting letters three apart.
After JK comes MN.
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The terms are squares from 2² onward.
The next term is 6² = 36.
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The multipliers are 3, 4, and 5.
Multiplying 60 by the next multiplier 6 gives 360.
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Each term is half the preceding term.
Therefore, 32 ÷ 2 = 16.
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The increases are consecutive odd numbers 1, 3, 5, and 7.
Adding 9 gives 27.
