Question

Which of the following number is not divisible by 3? 1 (a) 234 (b)324(c) 423 (d)457
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Answer 1

$\huge\sf\purple\maltese{\underline{\underline{Answer}}}$

We know the divisibility test of 3:-

When the sum of all the numbers is divisible by 3

a) 234 = 2+3+4 = 9

∴Divisible by 3

b) 324 = 3+2+4 = 9

∴ Divisible by 3

c) 423 = 4+2+3 = 9

∴ Divisible by 3

d) 457 = 4+5+7 = 16

∴ Not divisible by 3

So, d) 457 is the required answer...

@ᏕᎥᎷᏒᏗᏁ