Question

The sum of reciprocals of age of Rama 4 years ago and 5 years from now is 7/30 find his present age.

Answer only tennetiraj86

Answer 1

Step-by-step explanation:

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• ➡️Let the present age of Rehman =x 
• 3 years ago Rehman’s age =(x–3) years 
• 5 years later Rehman’s age =(x+5) years. 
• Now, according to the condition, 
• (x–3)1+(x+5)1=31
• (x–3)(x+5)(x+5+x–3)=31  
• (x2–3x+5x–15)(2x+2)=31  
• x2+2x–15=6x+6
• x2–4x–21=0
• (x+3)(x–7)=0 
• Either,x+3=0 Or, x–7=0 
• Thus, x=7 or –3; but age cannot be negative. 
• Hence the present age of Rehman is 7 years.

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Answer 2

Answer:

the present age of Rama is 10 years

Step-by-step explanation: