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Q.

If 14 kg of pulses cost Rs. 441, then the cost of 22 kg of pulses is

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a

Rs. 693

b

Rs. 627

c

Rs. 671

d

Rs. 649

answer is D.

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Detailed Solution

weightcost
x1 = 14 kgy1 = Rs. 441
x2 = 22 kgy2 = ?

In the direct proportion
=x1y1=x2y2⇒14441=22y2⇒y2=441×2214=Rs.693

 

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If 14 kg of pulses cost Rs. 441, then the cost of 22 kg of pulses is