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