Latest exam Aptitude Question SOLUTION: The arithmetic sequence x,2x-20,3x-28,... has D1=-16. What is the formula for the nth term ? I said tn= -16+12 but was marked wrong :(

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Previous Question: I need to find out what is the natural logarithem and examples? Next Question: The endpoints of segment FG have coordinates F(1/2a,-b) and G(a,1/4b). What is the expression for the length of the segment? I think it is : a) 1/4sqrt4a^2-25b^2 or b) 1/4sqrt4a

(#M40075108) EXAM Numerical Ability question Keep an EYE

The arithmetic sequence x,2x-20,3x-28,... has D1=-16. What is the formula for the nth term ?
I said tn= -16+12 but was marked wrong :(: Asked In exam (9 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: I need to find out what is the natural logarithem and examples? Next Question: The endpoints of segment FG have coordinates F(1/2a,-b) and G(a,1/4b). What is the expression for the length of the segment? I think it is : a) 1/4sqrt4a^2-25b^2 or b) 1/4sqrt4a

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