Practice Pakistan questions with answers and explanations.
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Division and multiplication have equal priority and are performed left to right.
So 48 ÷ 6 = 8, and 8 × 3 = 24.
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Multiplication is performed before addition.
Thus, 3 × 4 = 12 and 5 + 12 = 17.
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The operation inside parentheses is completed first.
Then 12 ÷ 3 = 4.
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The multiplicative inverse of a nonzero fraction is its reciprocal.
Interchanging numerator and denominator gives 7/5.
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A composite number has more than two positive factors.
The number 4 has factors 1, 2, and 4.
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The positive factors of 16 are 1, 2, 4, 8, and 16.
Therefore, it has 5 positive factors.
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Dividing 84 by primes gives 84 = 2 × 2 × 3 × 7.
This is 2² × 3 × 7.
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An irrational number cannot be expressed as a ratio of integers.
The number √2 has a nonterminating, nonrepeating decimal expansion.
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'Scissors' is a plural-form noun and takes a plural verb.
The correct expression is 'The scissors are.'
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'Trousers' is grammatically plural even when referring to one item of clothing.
It therefore takes 'are.'
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In a 'there is/are' construction, the verb agrees with the following real subject.
'Reasons' is plural, so 'are' is correct.
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The head noun of the subject is 'quality,' which is singular.
The plural noun in the prepositional phrase does not control agreement.
