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neha bairagie

· started a discussion

· 1 Months ago

Except 45, all others are a multiple of 2 prime numbers.

Question:
Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
Options:
A) 45
B) 51
C) 39
D) 85
Solution:
Ans (d): Except 85, all are multiple of 3.

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Knowledge Expert

· commented

· 1 Months ago

Dear Student,
Your logic is not so appropriate, go through th elogic explained.
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neha bairagie

· commented

· 1 Months ago

@@@ MR. D 45 ke factors mein 3 prime numbers hain. baki sab mein 2 prime numbers hain.

@@ MR. D

· commented

· 1 Months ago

5 prime nhi h kya.....hahahaha

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