7 years hence, Sarosh's father age will be thrice that of Sarosh's age. Presently father's age is 6 times of Sarosh's age. Sum of their present ages is equal to:
Answers
Answer:
Let the Present
Sarosh's Age is x
Father's Age 6x
After 7 Years Sarosh's Age x+7
Father's Age 3(x+7)
Equating the both 6x= 3(x+7)
By solving this x=7
Sarosh Age = 7 and Father's Age = 6x7 = 42
Answer : Sum of their Present ages is 7+42 = 49
Step-by-step explanation:
Step-by-step explanation:
Let the present of Sarosh be y
His father's age is 3x
7 year hence , His father's age 3x+7
Sarosh age y+7
So, 3x+7=y+7
3x+y=0 ---------- (1) equation
Present age, 3x+7=6(y+7)
=> 3x+7=6y+42
=> 3x+6y= 42-7
=> 3x+6y=35-------(2) equation
By Elimination Method
3x+6y=35
3x+y=0
Interchanging the signs
-----------
=> 5y=35
=> y=7
So Sarosh present age is 7 years
His father's present age = 3x+7= y+7
3x+7= 7+7
3x= 14-7
3x=7
x=7/3
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