Practice Pakistan questions with answers and explanations.
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Each term is half of the preceding term.
Therefore, 8 ÷ 2 = 4.
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The sequence doubles at each step.
Thus, 88 × 2 = 176.
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Each term is twice the previous term plus 1.
So 31 × 2 + 1 = 63.
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The differences are 1, 2, 3, and 4.
The next difference is 5, producing 17.
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The operations alternate between adding 2 and multiplying by 2.
After 30, the next operation is ×2, giving 60.
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The terms are cubes of consecutive integers: 1³, 2³, 3³, and 4³.
The next term is 5³ = 125.
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The sentence refers to life experience without a finished past time.
The present perfect connects the experience to the present.
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The train's departure occurred before another completed past action.
The earlier past event takes the past perfect.
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The sentence describes an action in progress at a specific past time.
The past continuous tense expresses this meaning.
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Conservative forces transfer energy between kinetic and potential forms.
Nonconservative work changes total mechanical energy.
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For conservative forces, work around a closed path is zero.
Gravity and ideal spring force are examples.
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Linear momentum is a vector quantity p=mv.
Its direction is the direction of velocity.
