MCQ Collection
NET Engineering MCQs
Practice NET Engineering questions with answers and explanations.
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Correct Answer: A. 16⅔%
Explanation:
After a 20% increase, the quantity becomes 120% of the original.
The required reduction is 20/120 × 100 = 16⅔%.
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Correct Answer: B. 5/8
Explanation:
Convert each value to decimals: 5/8 = 0.625, 0.60 = 0.60, 59% = 0.59, and 3/5 = 0.60.
Therefore, 5/8 is the greatest.
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Correct Answer: C. 0.006
Explanation:
Multiply 2 × 3 = 6 and count three decimal places in total.
The product is 0.006.
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Correct Answer: D. 8
Explanation:
Multiply both numbers by 10 to remove decimals.
Then 48 ÷ 6 = 8.
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Correct Answer: A. 18.75
Explanation:
The third decimal digit is 6, so the second decimal digit is rounded up.
Thus, 18.746 becomes 18.75.
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Correct Answer: B. 4
Explanation:
The reciprocal of 0.25 is 1 ÷ 0.25.
Since 0.25 = 1/4, its reciprocal is 4.
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Correct Answer: C. 1/2
Explanation:
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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Correct Answer: D. 120
Explanation:
One hundred fifty percent equals 1.5.
Multiplying 80 by 1.5 gives 120.
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Correct Answer: B. 14
Explanation:
The square root is the number whose square equals 196.
Since 14 × 14 = 196, the answer is 14.
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Correct Answer: C. 15%
Explanation:
The decrease is Rs. 75.
The percentage decrease is 75/500 × 100 = 15%.
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Correct Answer: C. 9
Explanation:
The cube root is the number that gives 729 when cubed.
Since 9³ = 729, the answer is 9.
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Correct Answer: D. 14
Explanation:
The sequence increases by 3 each time.
Adding 3 to 11 gives 14.