Question
Download Solution PDFFrom the following options, identify a number which is divisible by 3 and 4 but not divisible by 9.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept used:
A number is divisible by 9 if and only if the sum of its digits is divisible by 9.
A number is divisible by 3 if and only if the sum of its digits is divisible by 3
A number id divisible by 4 if and only if the last two digits of the number must be divisible by 4
.Calculations:
for 588
5 + 8 + 8 = 21 divisible by 3
Last 2 digit of the number is divisible by 4 i.e 88
But sum of the digits of the number is not divisible by 9
Hence, 588 is the correct answer
Last updated on Apr 30, 2025
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