అర్థమేటిక్ & రీజనింగ్ గ్రూప్
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A does total work in 20(5/4) =25days
Both does 1/5 work in 3 days is., 3(5/1)=15 days
25 B 15
3 (2) 5
Total 75 units work
B does in 75/2 =37 1/2 days☑️
[27/30] Q38. During whose reign the 'Black Hole' accident happened ?
a) mir kasim b) Alivardi Khan c) Sirajuddaula d) mir jafar
