Question

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Answer (Detailed Solution Below)

Option 2 : 76 / 76

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Detailed Solution

सही उत्तर 76 / 76 है।

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Question:

A student's average marks in $6$ subjects are $72$. If $3$ more subjects with an average of $84$ marks are included, what is the new average? / एक विद्यार्थी के $6$ विषयों में औसत अंक $72$ हैं। यदि औसत $84$ अंकों वाले $3$ और विषय जोड़े जाएं, तो नया औसत क्या होगा?

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74 / 74
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76 / 76
3.
75 / 75
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78 / 78

Correct Answer: 76 / 76

Total = $6 \times 72 + 3 \times 84 = 684$; new average = $\frac{684}{9} = 76$. / कुल = $6 \times 72 + 3 \times 84 = 684$; नया औसत = $\frac{684}{9} = 76$।

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