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The average of some numbers is 54.6. If ...

The average of some numbers is 54.6. If 75% of the numbers are increased by 5.6 each and the rest are decreased by 8.4 each, then what is the average of the numbers so obtained?
कुछ संख्याओं का औसत 54.6 है | यदि इन संख्याओं के 75% में से प्रत्येक को 5.6 से बढ़ा दिया जाए तथा शेष में से प्रत्येक को 8.4 से कम कर दिया जाए, तो इस प्रकार प्राप्त होने वाली संख्याओं का औसत क्या होगा ?

A

56.7

B

55.6

C

55.8

D

56.3

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