Question

Tick (✓) the correct answer
If 37y4 is exactly divisible by 9, then the least value of y is
(a) 2
(b) 3
(c) 1
(d) 4

Answer 1

(d) 4

A number is divisible by 9 if the sum of the digits is divisible by 9.

$3+7+y+4=14+y$
For this sum to be divisible by 9:
$14+y=18\Rightarrow y=4$