Arif’s present age is y years. Find: a) His age after 6 years b) His age 3 years ago. c) His mother’s age, who is 5 years elder than twice of his age. d) His grandmother’s age, whose age is 4 times his age. e) His father’s age, who is 2 years elder than his mother
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Answer:
a)y+6
b)y-3
c)2y+5
d)4y
e)2y+7
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Arif's present age is Y years
Arif' s age after 6 years means Y + 6 = 6Y
his age 3 years ago Y - 3
his mother's age, whose is 5 years older than twice of his age.
twice means 2X
So,
2X Y + 5
his grandmother's age , whose is 4 times his age.
so,
4Y.....
his father's age whose age is two years older than his mother.
means,, arife is is less than 5 years of his mother, and arif 's father is 2 years elder than his mother age so 5 years plus 2 years is 7 years.
So,
2Y + 7
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