The number of numbers lying between 100
and 500 that are divisible by 7 but not by 21
is...
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The number of numbers lying between 100
and 500 that are divisible by 7 but not by 21
is...
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Step-by-step explanation:
so first no. which divisible by 7 between 100 to 500
means divisible by7 between 1 to 500 minus 1 to 100
71-14
= 57
no no which is divisible by 21 between 100 to 500
means between 1 to 500 minus 1 to 100
= 23 -4
= 19
the no which is divisible by 21 must divisible by 7
so required no. is 57-19
=38 ans....