Institution: Bangladesh Shilpa Bank Ltd Exam: Bangladesh Shilpa Bank Ltd - Officer - 2004
Topic: International General Knowledge, Subject: General knowledge(সাধারণ জ্ঞান)

Best Answer Explained in Below-:

The correct answer to the question "One kilogram is equal to:" is A) 2.21 lbs. This conversion is based on the standard relationship between kilograms and pounds, which is commonly used in weight measurement.

One kilogram (kg) is defined as approximately 2.20462 pounds (lbs). This relationship stems from the metric system's standardization, where the kilogram is the base unit of mass. The conversion factor indicates that there are about 2.2 pounds in one kilogram, making option A a very close approximation.

To provide some context, pounds are part of the imperial system, which is commonly used in the United States, whereas kilograms are part of the metric system, widely adopted around the world. When converting weights, it's crucial to use precise conversion factors to ensure accuracy. Therefore, while the actual value is closer to 2.20462, rounding to 2.21 is acceptable in many practical applications.

This makes A) 2.21 lbs the most accurate option out of the choices given, as it is the nearest approximation to the true conversion rate.