allery100 জন কৰ্মচাৰী থকা এটা কাৰ্যালয়ত, 70 জনৰ নিজা গাড়ী আছে, 40 জনৰ বাইক আছে আৰু 25 জনৰ দুয়োবিধেই আছে। কিমানজনৰ এটাও নাই?
A10
B15
C20
D25
Answer & Solution
Correct answer: B. 15
Union = 70 + 40 - 25 = 85। এটাও নথকা = 100 - 85 = 15।
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