12 years ago his age was x−12
12 years later his age will be x+12
As per problem the following equation can be formed
x+12=4(x−12)
⇒x+12=4x−48
⇒x−4x=−12−48
⇒−3x=−60
⇒x=20
His present age is 20 years.
48) Twelve years hence a man will be four times as he was 12 years ago. His present age is
Answer is:
20 years
Explanation:
Related RRB JE Mechanical Question Paper 2014 (Set-2) with Answers
Answer is:
Rs. 11,00,000
Answer is:
Our perspiration evaporates quickly
Explanation:
A fan produces a feeling of comfort because our perspiration or sweating evaporates rapidly. Our body try to cool ourselves releasing sweat through pores of skin. And when we sit under the fan the sweat evaporates due to directed air upon us making our body cool as evaporation is the cooling process.