Latest Infosys Aptitude Question SOLUTION: There is a 5digit no. 3 pairs of sum is eleven each. Last digit is 3 times the first one. 3 rd digit is 3 less than the second.4 th digit is 4 more than the second one. Find the di

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There is a 5digit no. 3 pairs of sum is eleven each. Last digit is 3 times the first one. 3 rd digit is 3 less than the second.4 th digit is 4 more than the second one. Find the digit.

Asked In Infosys Flower (12 years ago)

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Read Solution (4) :

Praveen J  (11 years ago)

25296
Let the 5 digit no be: a b c d e
last digit is 3 times first: e=3a
3rd digit less than second: c=b-3
4th digit is 4 more than second: d=4+b

now a,b,b-3,4+b,3a
3pairs of sum is 11
therefore
a+b=11--------eqn1
b-3+b+4=11----eqn2

Is this solution Helpfull? Yes (16) | No (18)  

Vignesh  (12 years ago)

25296 which satisfy all the conditions.

3 pairs of sum is eleven = (2,9)(2,9)(5,6)

Is this solution Helpfull? Yes (13) | No (8)  

Mudasar Nazar Kazi  (9 years ago)

Let the require number be d1d2d3d4d5
Given d5=3d1
d3=d2-3
d4=d2+4
since sum of pair of digits=11
consider d3+d4=11
d2-3+d2+4=11
=> d2=5
d3=d2-3
d3=5-3
d3=2

d4=d2+4=5+4
d4=9
hence require number = __529__
here 9+2=11
now we have think of a number which should be added to five to get 11
5+6=11
hence the last number is 6
since d5=3d1
∴d1=2
hence the ans is 25296

Is this solution Helpfull? Yes (6) | No   

sravani  (9 years ago)

25296
Let the 5 digit no be: a b c d e
last digit is 3 times first: e=3a
3rd digit less than second: c=b-3
4th digit is 4 more than second: d=4+b

now a,b,b-3,4+b,3a
3pairs of sum is 11
therefore
a+b=11--------eqn1
b-3+b+4=11----eqn2

so ans is 25296

Is this solution Helpfull? Yes | No (1)  

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