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Division By 10

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Division By 10

by dtweah » Wed May 27, 2009 3:12 pm
Which of the following CANNOT yield an integer when divided by 10?

(i) Product of two prime numbers
(ii) An integer less than 10
(iii) Sum of three consecutive integers
(iv) An odd integer

A. (i) & (iv) only
B. (ii) & (iv) only
C. (ii), (iii) & (iv) only
D. (iv) Only
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by ssmiles08 » Wed May 27, 2009 3:21 pm
I say D

i) 2*5

ii) -10

iii) 9+10+11

iv) not possible

to be divisible by 10, a number must be divisible by both 5 and 2. So It needs to be even
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