alleryযদি এটা কামৰ বাবে 20 man-hours প্ৰয়োজন হয়, তেন্তে 2 জন শ্ৰমিকৰ এটা দলে কিমান ঘণ্টা সময় ল'ব?
A10 ঘণ্টা
B20 ঘণ্টা
C40 ঘণ্টা
D15 ঘণ্টা
Answer & Solution
Correct answer: A. 10 ঘণ্টা
20 man-hours ক উপলব্ধ 2 জন শ্ৰমিকৰে ভাগ কৰিলে 10 hours কাম পোৱা যায়।
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