The average of 7 numbers is 47. If each number is decreased by 7, what will the new average be?
The average of 7 numbers is 47. If each number is decreased by 7, what will the new average be?
7 संख्याओं का औसत 47 है। यदि प्रत्येक संख्या को 7 से कम कर दिया जाए, तो नया औसत क्या होगा?
Detailed Solution & Logic
Correct Answer:
40
Average = 47
Each number decreases by 7 → average also decreases by 7
New average = 47 - 7 = 40
Answer: 40
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