LET US SOLVE QUIZ ON PROBLEMS BASED ON AGESPART 2
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Aspirants today we had learnt how to solve Problems based on AgesPart 2,If you doesn’t Read it Read it nowHow to Solve Problems Based on Ages Part2
How to Solve Problems Based on Ages Part1
“While their competition is asleep, worldclass leaders are up – and they’re not watching the news or reading the paper. They are thinking, planning and practicing.”
So,Let us Practice What we had learned today,Since the Problem on Ages can be solved easily let us Practice here to increase our Calculation Speed.
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Problems Based on Ages
No.of Questions: 10 Questions
Time : 10 Minutes
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Question 1 of 10
1. Question
1 pointsCategory: Aptitude1)One year ago the ratio between Samir’s and Ashok’s age was 4:3.One year hence the ratio of their ages will be 5:4.What is the sum of their present ages in years?
Correct
Explanation:
The age is Unknown but given that it is as multiple of 4 and multiple of 3.
Given that one year hence:
After 2 years from the given ratio=5:4
(4x+2)/(3x+2)=5/4
4(4x+2)=5(3x+2)
16x+8=15x+10
x=2
One Year Ago their age is 4x:3x
=8+6=14
After 1 year the age becomes
=9+7=16 Years
Incorrect
Explanation:
The age is Unknown but given that it is as multiple of 4 and multiple of 3.
Given that one year hence:
After 2 years from the given ratio=5:4
(4x+2)/(3x+2)=5/4
4(4x+2)=5(3x+2)
16x+8=15x+10
x=2
One Year Ago their age is 4x:3x
=8+6=14
After 1 year the age becomes
=9+7=16 Years

Question 2 of 10
2. Question
1 pointsCategory: Aptitude2)Ten year ago Mohan was thrice as old as Ram was but 10 years hence,he will be only twice as old as Ram.Find Mohan’s Present age?
Correct
Explanation:
Given that before 10 years
Mohan=3*Ram
After 10 years :
Mohan=2 * Ram
Let us consider Age of Ram=X
(x+20)/(3x+20)=1/2
2x+40=3x+20
x=20
Before 10 Years :
The Age of Ram=20
The Age of Mohan=20*3=60
After 10 Years(Present Age):
Mohan’s Age=60+10=70 Years
Ram’s Age=20+10=30 Years
Incorrect
Explanation:
Given that before 10 years
Mohan=3*Ram
After 10 years :
Mohan=2 * Ram
Let us consider Age of Ram=X
(x+20)/(3x+20)=1/2
2x+40=3x+20
x=20
Before 10 Years :
The Age of Ram=20
The Age of Mohan=20*3=60
After 10 Years(Present Age):
Mohan’s Age=60+10=70 Years
Ram’s Age=20+10=30 Years

Question 3 of 10
3. Question
1 pointsCategory: Aptitude3)The present ages of three persons in proportions 4:7:9.Eight years ago,the sum of their ages was 56.Find their present age(in years)
Correct
Explanation:
Given Ratio is 4x:7x:9x=20x
Their sum of ages 8 Years Ago was=56
20x24=56
20x=80
x=4
Therefore their ages are in the ratio=16:28:36
Incorrect
Explanation:
Given Ratio is 4x:7x:9x=20x
Their sum of ages 8 Years Ago was=56
20x24=56
20x=80
x=4
Therefore their ages are in the ratio=16:28:36

Question 4 of 10
4. Question
1 pointsCategory: Aptitude4)The Present ratio of ages of P and Q is 2:3.If the sum of present ages of P and Q is 50 years .Find the ages of P and Q before 4 years?
Correct
Explanation:
The sum of their ratio’s are 2+3=5x
Given their sum of the age=50/5=10
Therefore, their ages are 20,30
Before 4 Years:
Age of P=204=16
Age of Q=304=26
Incorrect
Explanation:
The sum of their ratio’s are 2+3=5x
Given their sum of the age=50/5=10
Therefore, their ages are 20,30
Before 4 Years:
Age of P=204=16
Age of Q=304=26

Question 5 of 10
5. Question
1 pointsCategory: Aptitude5)The ratio between sabira and sameena is 7:3.After 6 years the ratio of their ages will be 5:3.What is the difference in their ages?
Correct
Explanation:
(7x+6)/(3x+6)=5/3
21x+18=15x+30
6x=12
x=2
7x=7*2=14
3x=3*2=6
Difference=146=8 Years
Incorrect
Explanation:
(7x+6)/(3x+6)=5/3
21x+18=15x+30
6x=12
x=2
7x=7*2=14
3x=3*2=6
Difference=146=8 Years

Question 6 of 10
6. Question
1 pointsCategory: Aptitude6) 12 years ago,the ratio of the ages of Ram and Rahim is 2:3.If the ratio of their Present ages is 5:6,what will be the total of their present age?
Correct
Explanation:
(2x+12)/(3x+12)=5/6
12x+72=15x+60
12=3x
4=x
Therefore,their total Present age=20+24=44 Years
Incorrect
Explanation:
(2x+12)/(3x+12)=5/6
12x+72=15x+60
12=3x
4=x
Therefore,their total Present age=20+24=44 Years

Question 7 of 10
7. Question
1 pointsCategory: Aptitude7)Ten Years ago A was half of B in age.If the ratio of their present ages is 3:4,What will be the total of their present age?
Correct
Explanation:
The Present age ratio=(3x10)/(4x10)=1/2
6x20=4x10
2x=10
x=5
The Sum of their ages=15+20=35 Years
Incorrect
Explanation:
The Present age ratio=(3x10)/(4x10)=1/2
6x20=4x10
2x=10
x=5
The Sum of their ages=15+20=35 Years

Question 8 of 10
8. Question
1 pointsCategory: Aptitude8)10 Years ago Chandravati’s mother was 4 times older than her daughter.After 10 Years,the mother will be twice older than the daughter.The Present age of Chandravati is?
Correct
Explanation:
Let the age of the Chandravati =x
Let the age of the Mother=3x
After 10 Years(From Present Age)
1/2
Therefore,
(x+20)/(4x+20)=1/2
2x+40=4x+20
2x=20
x=10
Therefore the Present age of Chandravati is 20 Years
Incorrect
Explanation:
Let the age of the Chandravati =x
Let the age of the Mother=3x
After 10 Years(From Present Age)
1/2
Therefore,
(x+20)/(4x+20)=1/2
2x+40=4x+20
2x=20
x=10
Therefore the Present age of Chandravati is 20 Years

Question 9 of 10
9. Question
1 pointsCategory: Aptitude9)A Man says to his son,”Seven Years ago I was Seven times as old as you were and three years hence I will be three times as old as you will be.”Their ages are?
Correct
Explanation:
Let the age of the son 7 years ago be x
Given that the Man’s age is 7 times of his son=7x
After 10 Years:
The Ratio of their ages becomes=1/3
Therefore,
(x+10)(7x+10)=1/3
3x+30=7x+10
20=4x
5=x
The Age of the son before 7 years was 5
After 7 Years he could be 12 Years
The Age of the Man 7 Years ago was 35 Years
After 7 Years the age of the man is 42 Years
Incorrect
Explanation:
Let the age of the son 7 years ago be x
Given that the Man’s age is 7 times of his son=7x
After 10 Years:
The Ratio of their ages becomes=1/3
Therefore,
(x+10)(7x+10)=1/3
3x+30=7x+10
20=4x
5=x
The Age of the son before 7 years was 5
After 7 Years he could be 12 Years
The Age of the Man 7 Years ago was 35 Years
After 7 Years the age of the man is 42 Years

Question 10 of 10
10. Question
1 pointsCategory: Aptitude10)A Father was 4 times as old as his son 8 years ago.Eight years hence,father will be twice as old as his son.Find the sum of their present ages?
Correct
Explanation:
Let the age of the son 8 years ago=x
Then,After 8 years the age of the father=4x
After 8 years from the Present age is 1/2
Therefore,
(x+16)/(4x+16)=1/2
2x+32=4x+16
16=2x
8=x
Therefore the Present age :
Son=16 Years
Father=40 Years
Sum of their Age=56 Years
Incorrect
Explanation:
Let the age of the son 8 years ago=x
Then,After 8 years the age of the father=4x
After 8 years from the Present age is 1/2
Therefore,
(x+16)/(4x+16)=1/2
2x+32=4x+16
16=2x
8=x
Therefore the Present age :
Son=16 Years
Father=40 Years
Sum of their Age=56 Years
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