तीन मित्रों की औसत आयु 32 वर्ष है। चौथे मित्र की आयु जोड़ने पर उनकी औसत आयु 31 वर्ष हो जाती है। चौथे मित्र की आयु क्या है?
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2
Answer:
Total three friends age 32×3= 96, Total of four friends age 31×4=124, Age of fourth friend is 124-96= 28
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Answer:
here your answer
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Step-by-step explanation:
average age of 3 friends = 32
total age of 3 friends = 32*3 = 96
average age of 4 friends = 31
total age of 4 friends = 31*4 = 124
age of 4th friend = 124-96 = 28
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