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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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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