Subject
Bank Exam
Topic
Dutch-Bangla Bank Ltd. - Assistant Officer - 2017
In an apartment building, exactly of the apartments have 2 bedrooms and exactly of the 2 bedroom apartments are front facing. Which of the following could be the total number of apartments in the building ?
In an apartment building, exactly of the apartments have 2 bedrooms and exactly of the 2 bedroom apartments are front facing. Which of the following could be the total number of apartments in the building ?
ক)
42খ)
50গ)
51ঘ)
56ঙ)
None of theseExplanation
প্রশ্নে বলা হচ্ছে যে, একটি Building এর অংশ Apartment হলো 2 বেডরুমের, অংশ Apartment হলো সম্মুখ মুখী । নিচের কোন সংখ্যাটি ঐ Building এর Apartment এর সংখ্যা হতে পারে ? এখন, , অংশ এর হর গুলো হলো 3 ও 7 এর ল. সা. গু. = 21 ঐ Building এর Apartment সংখ্যা হতে পারে = 21 2 = 42. কিন্তু অন্য সংখ্যাগুলো ঐ Building এর Apartment এর সংখ্যা হতে পারে না । কারণ তা 21 এর গুণতিক নয় ।Related questions
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