allery২০০ টা পৰিয়ালৰ এখন গাঁৱত ১২০ টা পৰিয়ালৰ গৰু আছে আৰু ৯০ টা পৰিয়ালৰ ছাগলী আছে; ৩০ টা পৰিয়ালৰ দুয়োবিধেই আছে। কিমানটা পৰিয়ালৰ এটাও নাই?
A20
B10
C30
D40
Answer & Solution
Correct answer: A. 20
কমেও এবিধ থকা পৰিয়াল = 120 + 90 - 30 = 180, গতিকে 200 - 180 = 20 টা পৰিয়ালৰ এটাও নাই।
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