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The average cost of 16 different Mobiles is Rs. 18000. Among them, One plus which is the costliest is 50% higher price than the Mobile Lava. Excluding these two mobiles, the average of the Mobiles is Rs.17000. Then what is the cost of One plus Mobile?

The average cost of 16 different Mobiles is Rs. 18000. Among them, One plus which is the costliest is 50% higher price than the Mobile Lava. Excluding these two mobiles, the average of the Mobiles is Rs.17000. Then what is the cost of One plus Mobile? Correct Answer Rs. 30000

Cost of 16 mobile = 18000 × 16 = 288000

Cost of 14 mobile excluding both = 17000 × 14 = 238000

Cost of one plus and lava mobile = 288000 – 238000 = 50000

⇒ Lava + Lava × 150/100 = 50000 (One plus = Lava × 150/100)

⇒ Lava = 50000 × 100/250 = 20000

∴ Cost of One plus mob = Rs. 30,000

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