If Rahul's father's age is 29 years elder than him and his grandfather's age is 26 years elder than his father and if the sum of their ages is 135 find their ages.After finding their ages add 10 years in Rahul's age and again subtract 3 years from Rahul's age and then add 7 years to Rahul's father's age and also 7 years to his grandfather age now what's the sum of their ages? Explain it briefly.
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Answers
Rahul's father elder than Rahul = 29 years
Rahul's grandfather elder than Rahul's father= 26 years
Let Rahul's age be'x'.
Than Rahul's father age is= x + 29 years
Than Rahul's grandfather's age is = Father's age + 26year
= x + 29years + 26 years
Grandfather's age = x + 55 years
Sum of their ages is = 135
Rahul's age + Father's age + grandfather's age = 135 years
x + x+29 + x+55 years= 135 years
3x + 55+29 years = 135 years
3x + 84 yeaars= 135 years
3x = 135 - 84 years
3x = 51 years
x = 51/3 years
x = 17 years
x = Rahul's age = 17 years
= Rahul's father's age = x+29 years
= 17+ 29years
= 46 years
= Rahul's grandfather age = x+55 years
= 17 + 55 years
= 72 years
ANSWER (1) is = 17 , 46 and 72 years
2) We have found out their ages which are 17years, 46years, 72years.
= Add 10 to Rahul's age = 17+10 years = 27years
= Subtract 3 yrs from Rahul's age = 27- 3 = 24 years
= Add 7 years to Rahul father's age = 46 + 7 years= 53 years
= Add 7 years to grandfather's age = 72 + 7 years= 79 years
Now the sum of their ages is -
Rahul's age+ Father's age + Grandfather's age
24 years + 53 years + 79 years
= 156 years
ANSWER (2) is 156years...........
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