Practice FAST-NU CS Engineering questions with answers and explanations.
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Multiplication is performed before addition.
Thus, 3 × 4 = 12 and 5 + 12 = 17.
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The operation inside parentheses is completed first.
Then 12 ÷ 3 = 4.
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The multiplicative inverse of a nonzero fraction is its reciprocal.
Interchanging numerator and denominator gives 7/5.
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Multiples of 8 are 8, 16, 24, and so on.
The first multiple also divisible by 12 is 24.
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A number is divisible by 9 when the sum of its digits is divisible by 9.
For 5,832, the digit sum is 18.
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Each term is twice the previous term plus 1.
So 31 × 2 + 1 = 63.
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The differences are 1, 2, 3, and 4.
The next difference is 5, producing 17.
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The operations alternate between adding 2 and multiplying by 2.
After 30, the next operation is ×2, giving 60.
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The terms are cubes of consecutive integers: 1³, 2³, 3³, and 4³.
The next term is 5³ = 125.
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These are descending squares: 12², 11², 10², and 9².
The next term is 8² = 64.
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Each term is multiplied by 2.
Therefore, 96 × 2 = 192.
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The digit 7 is in the thousands place.
Therefore, its place value is 7 × 1,000 = 7,000.
