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Standard VII

Mathematics

Framing an Algebraic Expression

What will be ...

Question

What will be the expression for the sum of numbers p and q, which is subtracted from their product ?

(p + q)pq

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pq - p + q

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pq + p + q

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pq - p - q

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Solution

The correct option is
D

pq - p - q

The sum of p and q is p + q.
The product of p and q is pq.
So, when (p+q) is subtracted from pq,
the final expression will be pq - (p + q) or pq-p-q

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What will be the expression for the sum of numbers p and q, which is subtracted from their product ?

The correct option is D pq - p - qThe sum of p and q is p + q. The product of p and q is pq. So, when (p+q) is subtracted from pq, the final expression will be pq - (p + q) or pq-p-q

The correct option is
D

pq - p - q

The sum of p and q is p + q.
The product of p and q is pq.
So, when (p+q) is subtracted from pq,
the final expression will be pq - (p + q) or pq-p-q