allery100 জনীয়া এটা দলৰ ভিতৰত 60 জনে সাঁতোৰে, 45 জনে চাইকেল চলায় আৰু 15 জনে এটাও নকৰে। কিমান জনে দুয়োটা কৰে?
A20
B25
C15
D30
Answer & Solution
Correct answer: A. 20
85 জনে কমেও এটা কৰে, গতিকে দুয়োটা = 60 + 45 - 85 = 20।
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