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Two mobiles cost Rs 16,000. How much money will be required to buy 13 such mobiles ?

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Two mobiles cost Rs 16,000. How much money will be required to buy 13 such mobiles ?

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Let the cost of 13 mobiles be Rs x. 

The quantity of mobiles and their cost are in direct proportion. 

∴ 2/16000 = 13/x

∴ 2x = 13 × 16000 ….(Multiplying both sides by 16000x) 

∴ x = (13 x 16000) 

= 104000

∴ Rs 104000 will be required to buy 13 mobiles.

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