Solve this:


A. Use divisibility tests to find which of the following numbers are divisible 

1. by 8
a. 1606        b. 2735         c. 81426         d. 34408        e. 1968     f. 48516

2. by 25
a. 1950    b. 2676      c. 1175         d. 8500    e. 6905      f. 18025

3. by 11
a. 17270    b.. 17207      c. 45353     d. 51111    e. 946       f. 4452

Dear Student,

Please find below the solution to the asked query:

1 ) We know :

Divisibility  rule for ' 8 ' :The last three digits are divisible by 8.then given number also divisible by 8 .

a ) 1606 , Last digit three digits ' 606 ' and that is not divisible by ' 8 ' so ' 1606 ' is not divisible by 8 .

b ) 2735 , Last digit three digits ' 375 ' and that is not divisible by ' 8 ' so ' 2735 ' is not divisible by 8 .

c ) 81426 , Last digit three digits ' 426 ' and that is not divisible by ' 8 ' so ' 81426 ' is not divisible by 8 .

d ) 34408 , Last digit three digits ' 408 ' and that is divisible by ' 8 ' so ' 34408 ' is divisible by 8 .

e ) 1968 , Last digit three digits ' 968 ' and that is divisible by ' 8 ' so ' 81426 ' is divisible by 8 .

f ) 48516 , Last digit three digits '516 ' and that is not divisible by ' 8 ' so ' 48516 ' is not divisible by 8 .


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