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Frank is 15 years younger then John. In 5 years John will be
twice as old as Frank. How old will Frank be in four years?

Answers were Sorted based on User's Feedback



Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Fr..

Answer / pallavi attarde

Today Frank's age = x and John's age = x+15

and after 15 years, john will be twice of Frank,
i.e. 2*(x+5)= (x+15+5)
solving this,
we get x = 10 , which is todays age of Frank.
Then after 4 years Frank will 10 + 4 = 14 years old

Is This Answer Correct ?    52 Yes 1 No

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Fr..

Answer / taurean

Let age of Frank be F and that of John be J

F + 15 = J
2(F + 5) = J + 5

Solving both of them, F=10 and J=25

So, after 4 years Frank will be 10 + 4 = 14 years...

Is This Answer Correct ?    19 Yes 0 No

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Fr..

Answer / t eswara rao

THE ANSWER IS : FRANK WILL BE AT AN AGE OF 14YR. IN FOUR YEARS

SOL:
AS PER CONDITION-1: F = J-15
AS PER CONDITION-2: J+5 = (F+5)X2
SO THE EQUATION WILL BE AS FOLLOWS
J+5 = (J-15+5)X2
J = 2J-25
J = 25
SO SUBSTITUTE THE VALUE IN CONDITION-1 AND THE VALUE OF F
F = 10
AFTER 4 YRS
F = 10+4
= 14

Is This Answer Correct ?    17 Yes 0 No

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Fr..

Answer / ashutosh dixit

pallavi's and taurean answer is correct

Is This Answer Correct ?    6 Yes 0 No

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Fr..

Answer / dhananjayan

After 5 Years,

5X = 2 (15+X),
5X = 30 + 2X,
5X-2X = 30,
3X = 30,
X = 30/3 = 10,
X = 10.

Now Frank is 10years old and John is 25years old, after 5
years Frank is 15years and john is 30years old. Problem
sloved.

Is This Answer Correct ?    6 Yes 2 No

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Fr..

Answer / yogesh mishra

this is right answer

Is This Answer Correct ?    3 Yes 0 No

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Fr..

Answer / vignesh1988i

given that john=frank+15
the it's also mentioned : john+5=2(frank+5)

solving we get frank=10 years... thus after 4 yrs , he will be 14.....



thank u

Is This Answer Correct ?    3 Yes 0 No

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Fr..

Answer / nashwa

F=J-15 (1)
5+J=2(F+5)
then from (1) J=F+15
so 5+F+15=2F+10
20+F=2F+10
f=10
after 4 years he will be 14 years

Is This Answer Correct ?    3 Yes 0 No

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Fr..

Answer / guest

Johb after 4 years 29 years
Initial age of Frank and John = 10 years and 25 years.

Is This Answer Correct ?    5 Yes 6 No

Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Fr..

Answer / sri ram

let F be x and J be x+15

in 5yrs,
x+5=2(x+15+5)
x+5=2x+40
x+35=0
x=35 [. .
[ . x is assumed as age ,it can be taken as +ve]
therefore frank age is 35 and john age is 50
therefore in 4yrs frank can be 39yrs younger than john
NOTE:-
Given question is wrong because as stated first tht frank
is 15yrs younger than john , so in 4yrs he will be younger
than john not older

Is This Answer Correct ?    2 Yes 10 No

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