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Answer» Hi friend! Here you go!
3.) 9
4.) Let's see, Let's take 18 to be 2m 2m = 18 m = 9 m² - 1 = 80 m² + 1 = 82 So, answer is OPTION 'a'.
5.) odd
6.) b - even in number
7.) b - 3 digits
8.) Let's see, prime factorisation is 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 All numbers except the LAST 2 & 3 aren't in pairs So the minimum number to be multiplied is 2*3=6 so, answer is c
9.) a - 222000.
There, I have answered all your questions.
Hope you found my answer useful .
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