Practice Pakistan questions with answers and explanations.
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Mercury has the smallest orbit around the Sun.
It completes a revolution in about 88 Earth days.
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The sequence increases by 3 each time.
Adding 3 to 12 gives 15.
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Iron oxide minerals give Mars its reddish appearance.
The planet has polar ice caps and a thin atmosphere.
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Each term is double the previous term.
Therefore, 16 × 2 = 32.
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Jupiter is the largest planet by mass and diameter.
It is a gas giant with a powerful magnetic field.
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The terms are consecutive perfect squares.
The next term is 5² = 25.
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Saturn's rings contain ice and rocky particles.
Other giant planets also have fainter ring systems.
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The terms are consecutive cubes.
The next term is 5³ = 125.
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Stars produce energy through nuclear fusion in their cores.
The Sun is the nearest star to Earth.
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The increases are 2, 4, 6, and 8.
The next increase is 10, giving 35.
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Gravity binds the components of a galaxy together.
The Milky Way contains the Solar System.
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The terms are factorials: 1!, 2!, 3!, and 4!.
The next term is 5! = 120.
