Reasoning scenario 138: A healthcare selection panel is testing formal inference, evidence appraisal and decision quality. The setting is a screening programme. Among 114 applications, 34 require check A, 37 require check B, and 13 require both. How many require A or B?

Reasoning scenario 138: A healthcare selection panel is testing formal inference, evidence appraisal and decision quality. The setting is a screening programme. Among 114 applications, 34 require check A, 37 require check B, and 13 require both. How many require A or B?

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