Question

If 2a7 divide.by 33 find value of a

Answer 1

it should be divided by 3 and 11 then only it will be divided by 33

for( 3 )

(2+a+7)/3=N(natural no)

9+a/3

now a =3,6 or 9

for (11)

2+7=9

a

a-9/11=N

a=9

from (11) and (3)

a=9

is common therefore the no is 9

MARK BRAINLIEST

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