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2016-01-13T10:35:36+05:30

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Swami's earning be x
shailesh earning=120x/100
sunil's earning=132x/100
(132x/100)-x=3200
132x-100x=320000
32x=320000
x=10000
swami's earnings =10000
shailesh's earning=12000
sunil's earning=13200
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2016-01-13T11:09:06+05:30

This Is a Certified Answer

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Let Swami`s earnings be Rs x
Then shailesh earns 20% more than swami
⇒ [(20/100)× x] + x
= [(1/5)× x] +x
= x/5 +x
= (x+5x)/5
= 6x/5
∴Shailesh earns Rs 6x/5
Now sunil earns 10% more than shailesh 
⇒ [(10/100)× 6x/5] +6x/5
= [1/10× 6x/5] + 6x/5
= 6x/50 + 6x/5
= (6x+ 60x)/50
= 66x/50
∴Sunil earns Rs 66x/50
Given that swami earns 3200 less than sunil
⇒ sunil earning - swami earning = 3200
⇒ 66x/50  -  x = 3200
⇒ (66x - 50x)/50 = 3200
⇒ 16x = 3200 ×50
⇒ 16x = 160000
⇒  x = 160000/16
∴   x = 10000
∴ Swami earns Rs x = Rs 10,000
Sailesh earns Rs 6x/5 = [6(10000)]/5 = 60000/5  =  Rs12000
Sunil earns Rs 66x/50  = 660000/50 = Rs 13200
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