Practice Pakistan questions with answers and explanations.
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Thirty-two students study at least one subject.
Out of 40 students, 40 - 32 = 8 study neither.
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The sum is 40 and there are 5 values.
The mean is 40 ÷ 5 = 8.
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A fair coin has two equally likely outcomes.
One favorable outcome out of two gives probability 1/2.
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The median is the middle value in ordered data.
The third of five values is 9.
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There are six equally likely die outcomes and only one is 5.
Thus, the probability is 1/6.
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The mode is the value occurring most often.
The number 4 appears three times.
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A standard deck has 26 red cards out of 52 total cards.
Thus, 26/52 = 1/2.
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Range equals maximum minus minimum.
Thus, 40 - 12 = 28.
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The edge length is the cube root of the volume.
Since 6³ = 216, the edge is 6 cm.
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Distance is √[(3 - 0)² + (4 - 0)²].
This equals √25 = 5.
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Average the x-coordinates and the y-coordinates separately.
The midpoint is ((2 + 8)/2, (3 + 7)/2) = (5, 5).
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Slope is change in y divided by change in x.
Thus, (10 - 2)/(5 - 1) = 8/4 = 2.
