Question

If the average life of a person is taken as 100s the age of universe on this scale is of the order of

Answer 1

fifteen sec / life time = 100 years / universe age )
16 / 100 = 100 * 12 * 30 * 24 * 60 * 60 / universe age
Universe age = 100 * 12 * 30 * 24 * 60 * 60 * 100 / 15 = 100 * 12 * 2 * 24 * 60 * 60 * 100
2073600 * 10 ^ 4 sec 
2.07 * 10 ^ 10 sec The correct answer is thus 1 

Answer 2

Answer: 10^10

Explanation:age of universe = 10^17s

Age of man =10 ^9s

Age of universe/age of man = 10^17÷10^9 = 10^8s

Now,

Age of universe/100 =10^8

Age of universe = 10^10s

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