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If second no is twice the first no and first no is thrice
the third no.Their avg is 20.Find the greatest no?

Answers were Sorted based on User's Feedback



If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the gr..

Answer / jyoti

let the third no be x ,

then the first no is 3x ,
second no is 2*3x ie 6x

average is (3x+6x+x )/3 = 20

10x/3 = 20

x= 60/10 = 6

third no is 6 , second is 6x = 36, first no is 3x = 18
largest no is 36 i.e second no

Is This Answer Correct ?    70 Yes 5 No

If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the gr..

Answer / vikram

let x,y,z be numbers in order
y=2x,x=3z
(x+y+z)/3=20
(x+2x+(x/3))/9=20
solving
x=18
y=36
z=6


so largest is y=36

Is This Answer Correct ?    64 Yes 6 No

If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the gr..

Answer / guest

third no- x
first no- 3x
second no- 2*3x=6x

avg= (x+3x+6x)/3=20

thord nox=6
first no-18
second no-36
answer is 36

Is This Answer Correct ?    32 Yes 3 No

If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the gr..

Answer / risha ramanathan

let 1st number be x
thus 2nd number is 2x
let 3rd number be y
since 1st number is thrice the 3rd number, thus
x= 3y

now : 1st no = 3y
2nd no = 6y
3rd no = y
so, (3y+6y+y)/3=20
y = 6

since 2nd no is 6y, therefore 6y = 36
so the 2nd number is the greatest :D

Is This Answer Correct ?    22 Yes 3 No

If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the gr..

Answer / guest

third no be x
first no will be 3x
second no will be 6x
(x+3x+6x/3)=20
10x/3=20
10x=60
x=6

Is This Answer Correct ?    19 Yes 11 No

If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the gr..

Answer / anil

a+b+c/3=20;3c+6c+c/3=20;10c/3=20;10c=3(20);c=6;a=18;b=36
bcoz greatest=36

Is This Answer Correct ?    10 Yes 4 No

If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the gr..

Answer / abhinay kumar

let third no is x
By question ,

first no is 3x
second no is 6x
so,
20=(3x+6x+x)/3
so x=6
and greatest no. is 36

Is This Answer Correct ?    7 Yes 3 No

If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the gr..

Answer / sujoy

1=3y
2=6y
3=y

if average is 20, then sum of three nos is 60

3y+6y+y=60
then,10y=60
or,y=6

then the greatest no. is the second no. i.e. 36

Is This Answer Correct ?    4 Yes 0 No

If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the gr..

Answer / umeshprabhu

Let the first no be X
Second number is therefore 2x
third number is X/3
THE AVGE OF ALL 3 IS 20
therefore,
(x+2x+x/3)/3=20
10x=180
therefore, x=18
first number is 18
second number is 36
third number is 6
therefore the greatest no is 36

Is This Answer Correct ?    7 Yes 4 No

If second no is twice the first no and first no is thrice the third no.Their avg is 20.Find the gr..

Answer / kannan

ans= 2nd number

simply ans the from dis qstn coz,
leave tht average, readqstn the 2nd number is greater than
1st & 3rd number. so 2nd number is greater one
thanks......

Is This Answer Correct ?    1 Yes 0 No

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