Question

A number is divisible by 45 if it is divisible by

a.9
b.3
c.both 9 and 5
d.both 3 and 5​

Answer 1

option D

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Answer 2

d.both 3 and 5 is the right options.!!.

• The number 15 is divisble by 45, if it is divisible by 3.
• The number 9 is divisible by 45, if its is divisible by 5.
• Since, in option a and b only one number is given and in option c both the numbers are factors of 45.So, the right option is d. i.e 9!!

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