On dividing

Question:

On dividing 57p2qr by 114pq, we get

(a) ¼pr

(b) ¾pr

(c) ½pr

(d) 2pr

Solution:

(c) ½pr

On dividing 57p2qr by 114pq,

It can be expanded as = (57 × p × p × q × r)/(114 × p × q)

= 57pr/114 … [divide both numerator and denominator by 57]

= ½pr

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