Question

Find the numbers between 1 and 520,including both,are divisible by 2 or 6 is

Answer 1

Answer:

12 , 18 , 24 , 36.....516.... here is ur AP....

hope it helps.....

Answer 2

The number of numbers divisible by 2 or 6 = 327.

Given:

Find the numbers of numbers between 1 and 520, including both, are divisible by 2 or 6

Solution:

Formula used:

No of numbers divisible by 2 or 6 = [ No of numbers divisible by 2 ] + [ No of numbers divisible by 6 ] - [ No of numbers divisible by 12 ]

From 1 to 520

Set of numbers divisible by 2 = { 2, 4, 6, 8 ....  560 ]  

No of numbers divisible by 2  = 560/2 = 280

Set of numbers divisible by 6 = {6, 12, 18...  558}

No of numbers divisible by 6 = 558/6 = 93

Set of numbers divisible by 12 = {12, 24, 36,... 552}

No of numbers divisible by 12 = 552/12 = 46

No of numbers divisible by 2 or 6 = [ 280 ] + [ 93 ] - [ 46 ] = 327


Therefore,

The number of numbers divisible by 2 or 6 = 327.

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