The sum of a number and its square is 1406. What is the number?

1) 38
2) 39
3) 37
4) 29
5) None of these
(Aricent Question)
Asked by Raj
yagyavrat   37
8 years ago
Harshdeep Sokhey   37
7 years ago
praneeth   x^2+X=1406
x(x+1)=1406
so
37(38)=1406
ans:37
7 years ago
vikas   just check out the sum of unit digit..
7 years ago
lucky kumar   37
5 years ago
mahendra parmar   last digit of 1406=6 so check last digit of each 38=8*8+8=2
39=9*9+9=0 37=7*7+7=6 which is ans
5 years ago
shweta kumari   37
4 years ago

Smiley