Latest self Aptitude Question SOLUTION: What is the last digit of 1! - 2! + 3! - 4! + 5! - 6!+ .......+99!? a) 9 b) 1 c) 0 d) None of these

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Previous Question: if a,b and c are non-zero numbers such that |a-b|=|c| and |a-c|=|b|, then what is the value of b^2+c^2 ? a)a^2-2bc b)2bc c)a^2 d)a^2+2bc Next Question: How many zeroes are there between the decimal point and the first significant digit in (1/9)^200 given log 3 (base 10) = 0.4771?

(#M40021488) SELF question Keep an EYE

What is the last digit of 1! - 2! + 3! - 4! + 5! - 6!+ .......+99!?

a) 9
b) 1
c) 0
d) None of these: vikash singh (10 years ago); Unsolved; Is this Puzzle helpful? (0) (1) Submit Your Solution

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Previous Question: if a,b and c are non-zero numbers such that |a-b|=|c| and |a-c|=|b|, then what is the value of b^2+c^2 ? a)a^2-2bc b)2bc c)a^2 d)a^2+2bc Next Question: How many zeroes are there between the decimal point and the first significant digit in (1/9)^200 given log 3 (base 10) = 0.4771?

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