Practice NET Quantitative Mathematics questions with answers and explanations.
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Multiply both numbers by 10 to remove decimals.
Then 48 ÷ 6 = 8.
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The third decimal digit is 6, so the second decimal digit is rounded up.
Thus, 18.746 becomes 18.75.
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The reciprocal of 0.25 is 1 ÷ 0.25.
Since 0.25 = 1/4, its reciprocal is 4.
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One third of 3/4 is 1/4 of the full tank.
The remaining amount is 3/4 - 1/4 = 1/2.
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One hundred fifty percent equals 1.5.
Multiplying 80 by 1.5 gives 120.
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The square root is the number whose square equals 196.
Since 14 × 14 = 196, the answer is 14.
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The decrease is Rs. 75.
The percentage decrease is 75/500 × 100 = 15%.
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The cube root is the number that gives 729 when cubed.
Since 9³ = 729, the answer is 9.
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The sequence increases by 3 each time.
Adding 3 to 11 gives 14.
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The sum of the first n natural numbers is n(n + 1)/2.
For n = 10, the sum is 10 × 11 ÷ 2 = 55.
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The sum of the first n odd numbers equals n².
For n = 8, the sum is 8² = 64.
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The least common multiple of 3 and 4 is 12.
A number divisible by both must therefore be divisible by 12.
