Question

SECTION - II
Case study based question are compulsory. Each sub-parts carries 1 marks
13 A man with a family lived in a small village in West Bengal. He has three sons, named Arun,
Amal and Alok. One day the man got a good job in Delhi and went there. After 16 years, the
Came back. He observed that he was only twice as old as his son Alok. Arun was three times as
Old as he was his present age, and Amal was five times as old as he was 8 years ago. When he
Went to Delhi he was four times as old as his son Alok.
What will be the present age of Alok?
(a) 8 years (b) 10 years (c) 12 years (d) 16 years
(ii) What will be the present age of Arun?
(a) 10 years (b) 8 years (c) 12 years (d) 16 years​

Answer 1

Answer:

Father is = 30 years older than his son

After 12 years = Father is thrice the age of his son.

To find :

Their present ages

Solution :

Let the present ages be -

Son as x

Father as (x + 30)

After 12 years old -

Son = (x + 12)

Father = (x + 30) + 12

According to the Question -

After  12 years the man will be = 3 times as old as his son

Son's present age = 3 years

Step-by-step explanation:

Answer 2

SECTION - II

Case study based question are compulsory. Each sub-parts carries 1 marks

13 A man with a family lived in a small village in West Bengal. He has three sons, named Arun,

Amal and Alok. One day the man got a good job in Delhi and went there. After 16 years, the

Came back. He observed that he was only twice as old as his son Alok. Arun was three times as

Old as he was his present age, and Amal was five times as old as he was 8 years ago. When he

Went to Delhi he was four times as old as his son Alok.

What will be the present age of Alok?

(a) 8 years (b) 10 years (c) 12 years (d) 16 years

(ii) What will be the present age of Arun?

(a) 10 years (b) 8 years (c) 12 years (d) 16 years