Practice Pakistan questions with answers and explanations.
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The decimal 0.375 equals 375/1000.
Dividing numerator and denominator by 125 gives 3/8.
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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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Divide 7 by 20 or convert the denominator to 100.
Since 7/20 = 35/100, the decimal is 0.35.
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One hundred fifty percent equals 1.5.
Multiplying 80 by 1.5 gives 120.
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Twenty-five percent is one quarter.
One quarter of 240 is 240 ÷ 4 = 60.
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Since 12.5% = 1/8, one eighth of the number is 25.
The whole number is 25 × 8 = 200.
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The increase is 20 on an original value of 80.
The percentage increase is 20/80 × 100 = 25%.
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After a 30% discount, 70% of the original price remains.
Thus, the original price is 840 ÷ 0.70 = 1,200.
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The decrease is Rs. 75.
The percentage decrease is 75/500 × 100 = 15%.
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The greatest common divisor of 24 and 36 is 12.
Dividing both terms by 12 gives 2:3.
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Let the number be x, so 0.40x = 72.
Dividing by 0.40 gives x = 180.
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Percent means per hundred.
Thus, 3.5% = 3.5 ÷ 100 = 0.035.
