Question

A father said to his son "I was as old as you are at the time of your birth” if father present
age is 46 yrs. Find the age of son 5 yrs ago?
A. 28
B. 23
C. 46
D. None​

Answer 1

Answer:

23

Step-by-step explanation:

fathers age was 23 when sons age was zero

so when soon is 23 father is 46

Answer 2

3 YEARS AGO

• let age of son be x

• age of father is 7x

PRESENT AGES (we must ad 3 because 3 years after past is present)

• age of son = x+3

• age of father = 5(x+3) = 5x + 15

• past age + 3 = present age

• father past age = 7x

• according to past fathers present age is 7x+3

• fathers present age (given in the question) = 5x + 15

• if we equate both the given ages of father,

7x + 3 = 5x + 15

7x - 5x = 15 - 3

2x = 12

x = 12/2

x = 6

therefore,

• son past age = x = 6 years

• fathers past age 7x = 42 years

• son present age = x + 3 = 9 years

• fathers present age = 45 years

hope this helps...

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