The average of five numbers is 20. If each number is multiplied by 3, what will be the new average? पाँच संख्याओं का औसत 20 है। यदि प्रत्येक संख्या को 3 से गुणा किया जाता है, तो नया औसत क्या होगा?
A
20 (20)
B
40 (40)
C
60 (60)
D
80 (80)
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Correct Answer 60
Explanation
When every number in a set is multiplied by a constant 'k', the average is also multiplied by 'k'. New Average = 20 * 3 = 60.