Suppose we have 6 hospital and 4 police station. Need to select a 4 stations for interrupted power supply. How many ways can we select where at…
Suppose we have 6 hospital and 4 police station. Need to select a 4 stations for interrupted power supply. How many ways can we select where at least one hospital on the uninterrupted power supply list?
From the BPDB Assistant Engineer (CSE) February 2023 – Written (BUET) exam, question 36 of 37.
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