The average of 5 numbers is 20. If each number is multiplied by 2, what will be the new average? 5 संख्याओं का औसत 20 है। यदि प्रत्येक संख्या को 2 से गुणा किया जाए, तो नया औसत क्या होगा?
A
20 (20)
B
22 (22)
C
40 (40)
D
10 (10)
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Correct Answer 40
Explanation
If every observation is multiplied by a constant 'k', the average is also multiplied by 'k'. New Average = 20 * 2 = 40.