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Correct answers are marked. Please help me in understanding it.






Any new thread of lr-di for 2017?



How to prepare for data interpretation from scratch. Will arun sharma DI book be helpful. PLEASE GUIDE ME....


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@Ssahurajgharana 18
Everyone makes 8 calls. So duration of outgoing call by A = 1 min, B = 1.5 min, C = 1.25 min. Call rcd by C = 2[A+B+D+E] = 5 + 2[D+E] = 15 ; D+E = 5. Call rcd by E =2[A+B+C+D]=7.5+2D=12; D= 2.25; E = 2.75. So calls made by D=2*4*2.25=18