Question

Write the divisibility test of 7 and 11.​

Answer 1

Answer:..

divisiblity of 7 is not found yet....

divisblity of 11 is

for eg take 121

from right side mark odd even and odd now

1(odd) 2(even) 1 (odd)

now we will find LHS=RHS or not

so,

1+1=2

2=2

hence, 121 is divisible by 11

hope it helps you : ) <3