Question

On converting 308 K, 329 K and 391 K to Celsius scale, the correct sequence of temperatures will be:​

Answer 1

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• The definition of a journalist is a person who writes or reports, such as for a newspaper or magazine. A writer of columns for the New York Times is an example of a journalist. ... A reporter, who professionally does living reporting on news and current events.

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• Let the age of father be x years

Let the age of one of his children be y years and age of other children be z years

From given information,

x=2×(y+z)...(1)

After 20 years,

(x+20)=(y+20)+(z+20)...(2)

Substituting value of (1) in (2), we get

2×(y+z) +20=y+z+40

2y+2z−y−z=40−20

y+z=20...(3)

Substituting value of (3) in (1), we get

x=2×(20)

⇒x=40

Age of father is 40 years.

Answer 2

Explanation:

The definition of a journalist is a person who writes or reports, such as for a newspaper or magazine. A writer of columns for the New York Times is an example of a journalist. ... A reporter, who professionally does living reporting on news and current event

Let the age of father be x years

Let the age of one of his children be y years and age of other children be z years

From given information,

x=2×(y+z)...(1)

After 20 years,

(x+20)=(y+20)+(z+20)...(2)

Substituting value of (1) in (2), we get

2×(y+z) +20=y+z+40

2y+2z−y−z=40−20

y+z=20...(3)

Substituting value of (3) in (1), we get

x=2×(20)

⇒x=40

Age of father is 40 years.