Define variables for their current ages.

Let the son's current age be $S$ years.
Let the father's current age be $F$ years.

From the first statement: "The age of father is 24 years more than his son."

From the second statement: "In two years the father's age will be twice that of his son."
In two years, the son's age will be $S+2$.
In two years, the father's age will be $F+2$.
So, we have:

The present age of his son is 22 years.
The correct option is A.
A) $\boxed{22}$

60) What should be added to $-\frac{7}{3}$ to get $\frac{3}{7}$?

The problem can be written as an equation:

The correct option is D.
D) $\boxed{\frac{58}{21}}$

61) Full form of DTP is
DTP stands for Desktop Publishing.
The correct option is C.
C) Desktop top publishing (Assuming "top" is a typo for "publishing")

62) Under which tax policy, one nation one uniform tax was implemented
This refers to the Goods and Service Tax (GST) implemented in India.
The correct option is B.
B) Goods and Service Tax

63) How many sessions or sessions of parliament are held every year in general?
In India, there are generally 3 sessions of Parliament held every year: the Budget Session, the Monsoon Session, and the Winter Session.
The correct option is C.
C) 3

64) Which train in India has the longest route length?
The Vivek Express (from Dibrugarh to Kanyakumari) has the longest route length in India.
The correct option is C.
C) Vivek Express

65) One kilobyte (1 KB) is equivalent to
In computing, 1 kilobyte (KB) is equivalent to 1024 bytes.
The correct option is B.
B) 1024 bytes

66) Who is known as the father of Indian Railways?
Lord Dalhousie is known as the father of Indian Railways.
The correct option is B.
B) Lord Dalhousie

67) Water cannot be used as a fire extinguisher to put out
Water is ineffective and dangerous for fires involving flammable liquids like oil because oil floats on water and can spread the fire. Therefore, water cannot be used to put out burning oil.
The correct option is C.
C) burning oil

68) Which is the highest civilian Award in India?
The Bharat Ratna is the highest civilian award in India.
The correct option is C.
C) Bharat Ratna

69) Which of the following is India's first green railway corridor?
India's first green railway corridor is the Manamadurai to Rameswaram section.
The correct option is B.
B) Manamadurai to Rameswaram

70) The Narendra Modi Stadium is located in which place
The Narendra Modi Stadium (formerly Motera Stadium) is located in Ahmedabad, Gujarat.
The correct option is B.
B) Ahmedabad