TWO SIDES OF COIN

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I think i was doing good in ibps po ob live test but dont know where i have done error . i was feeling confident while giving this test because first time i touched 20 ques in po quants, please help me to imrove............ ON the other hand sbi clerk it was easy for em although maths m fumble kr dia dues to brain fog, please HELP FOR CLERK MAINS

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