Which one of the following numbers is divisible by 15 ?
A. 17325
B. 23755
C. 29515
D. 30560
Answer: Option A
Solution(By Examveda Team)
Consider the number is 17325Its unit digit is 5, so it is divisible by 5
Sum of its digits = (5 + 2 + 3 + 7 + 1) = 18, which is divisible by 3
So, the given number is divisible by 3
And since 5 and 3 are co-primes,
So the given number is divisible by (5 × 3), i.e., 15
Related Questions on Number System
Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:
A. 12, 24, 36
B. 11, 22, 33
C. 12, 24, 32
D. 5, 10, 15
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