Others Maths Puzzle

Q. -1 is divisible by

A. 13
B. 31
C. 5
D. None of these

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-1 is divsible by:
11 years agoHelpfull: Yes(0) No(1)

Others Other Question

Q. Let u = (log x)2 - 6 (log2 x) + 12, where x is a real number. Then the equation xn = 256, has

A. no solution for x
B. exactly one solution for x
C. exactly two distinct solutions for x Q. If the following statements are given
I @(a,b)= (a+b)/2
II /(a,b)= a/b
III *(a,b)= ab
IV If a=1, b=2 then find

i) /(a,(@(a,b),*(a,b)))
ii) */(a,@(*(a,b)))