# How many numbers of the form 34a5b are divisible by 36?   Option 1)     Option 2)     Option 3)     Option 4)   None of these   Option 5)

Numbers of form 34a5b divisible by 36

Number which is divisible by 36 should be divisible by 4 and 9

For 4, last two digit should be divisible by $4,\frac{5b}{4}$

$Hence \: b=2,6$

$For \: 9 , 3+4+1+5+2=\frac{(14+a)}{9}$

$A=4$

$3+4+1+5+6=\frac{(18+a)}{9}$

$A=0, 9$

3 numbers of this form are divisible by 36

Exams
Articles
Questions