বাংলাদেশ আবহাওয়া অধিদপ্তর || (উচ্চ পর্যক্ষেক/পর্যবেক্ষক) (14-07-2017) || 2017
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Created:
3 months ago
|
Updated:
1 day ago
মনে করি, ক্রয়মূল্য = ক টাকা
প্রশ্নমতে, ২(ক-৩৬) = ৭২ -ক
২ক-৭২= ৭২-ক
৩ক=১৪৪
ক= ৪৮
উত্তর: ৪৮
Created:
3 months ago
|
Updated:
1 day ago
Created:
3 months ago
|
Updated:
6 days ago
Created:
3 months ago
|
Updated:
6 days ago
দেওয়া আছে, চাকার ব্যাস = ৪.২ মিটার।
চাকার ব্যাসার্ধ মিটার
আমরা জানি, চাকার পরিধি = মিটার
চাকাটি ৩৩০ মিটার অতিক্রম করতে ঘুরে = বার = ২৫ বার
উত্তর: ২৫ বার ঘুরবে।
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