Answer / guest

The 4 digit number is 1349.

It is given that the first digit is 1/3 of the second. There
are 3 such possibilities.

1. 1 and 3

2. 2 and 6

3. 3 and 9

Now, the third digit is the sum of the first and second digits.

1. 1 + 3 = 4

2. 2 + 6 = 8

3. 3 + 9 = 12

It is clear that option 3 is not possible. So we are left
with only two options. Also, the last digit is three times
the second, which rules out the second option. Hence, the
answer is 1349.

Answer / vishwajeet

1349

Answer / nessa

first=f,second=s,third=T,Last=L
f=s/3
T=f+s
L=3s
since s is divisible by 3,so s can be 3,6,9
Taking s=3
f=1
T=3+1=4
L=3*3=9

so answer is 1349

Answer / romeo

1349

Answer / deepak gupta

1349

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