Linear equations
Question 1
A and B are friends and their ages differ by 2 years. A’s father D is twice as old as A and B is twice as old as his sister C. The age of D and C differ by 40 years. Find the ages of A and B.
Answer : – x=26 and y=24
Question 2
The ages of two friends Manjit and Ranjit differ by 3 years. Manjit’s father Dharam is twice as old as Manjit and Ranjit as twice as old as his sister Jaspreet. The ages of Jaspreet and Dharam differ by 30 years. Find the ages of Manjit and Ranjit.
Answer :- 40 year, 10 year
Question 3
Father’s age is three times the sum of his two children’s age. After 5 years his age will be twice the sum of the ages of two children. Find the age of father.
Answer :- 45 years
Question 4
A is elder to B by 2 years. A’s father F is twice as old as A and B is twice as old as his sister S. If the ages of the father and sister differ by 40 years, find the age of A.
Answer :- 20 years
Question 5
Ten years ago, a father was twelve times as old as his son and ten years hence, he will be twice as old as his son will be then. Find their present ages.
Answer :- 34 years, 12 years
Question 6
Five years ago, Neeta was trice as old as Reeta. Ten years later, Neeta will be twice as old as Reeta, How old are Neeta and Reeta now?
Answer :- Age of Neeta = 50 years and age of Reeta = 20 years
Question 7
A father and his son decide to sum their age. The sum is equal to sixty years. Six years ago the age of the father was five times the age of the son. Six years from now the son’s age will be:
A) 23 years B) 19 years C) 20 years D) 22 years
Answer :- (C) 20 years.
Question 8
The difference in the age of two people is 20 years. If 5 years ago, the elder one of the two was 5 times as old as the younger one, then their present ages are equal to:
A) 20 and 30 years respectively
B) 30 and 10 years respectively
C) 15 and 35 years respectively
D) 32 and 22 years respectively
Answer :- (B) 30 and 10 years respectively
Question 9
Yasir is fifteen years elder than Mujtaba. Five years ago, Yasir was three times as old as Mujtaba. Then Yasir’s present age will be:
A) 29 years B) 30 years C) 31 years D) 32 years
Answer :- (A) 29 years.
Question 10
Ten years ago, the age of a person’s mother was three times the age of her son. Ten years hence, the mother’s age will be two times the age of her son. The ratio of their present ages will be:
A) 10:19 B) 9: 5 C) 7: 4 D) 7: 3
Answer :- (D) 7 : 3 .
Practice Questions
Q 1: The age of a man is 24 years more than his son. In two years, the father’s age will be twice that of his son. Then the present age of his son is:
A) 18 years B) 21 years C) 22 years D) 24 years
Ans: C) 22 years.
Q 2: After 15 years Ramesh’s age will be 5 times his age 5 years ago. What is the present age of Ramesh?
A) 5 years B) 10 years C) 15 years D) 20 years
Ans: B) 10 years
Q7: Andrea is three times as old as her sister Anu. Three years ago, she was two years less than four times the age of her sister. Find their present ages.
Ans . the present ages of Andrea and Anu are 33 years and 11 years respectively.
Linear equations
Linear equations
Linear equations