Latest Elitmus Aptitude Question SOLUTION: If a>b>c>d>e>0 and the avg of a & e is 7 and b & d is 4.5.How many possible combination will satisfy the above condition? i think question was smthing like that came in 22 nov eli

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(#M40154777) ELITMUS Numerical Ability question Keep an EYE

If a>b>c>d>e>0 and the avg of a & e is 7 and b & d is 4.5.How many possible combination will satisfy the above condition?
i think question was smthing like that came in 22 nov elitmus ph test....

Asked In Elitmus ramen maji (8 years ago)

Unsolved Read Solution (4)

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Priya kumari  (8 years ago)

a+e=14 so (13,1) (12,2) (11,3) (10,4) (9,5) b/w a and e 3 digits should be there min and a>e so we cant take other otions simillerly
b+d=9 can be (7,2) (6,3) min 1 digit gap and b>d

but (11,4) (10,3) (9,4) do not valid for the above pair of b and d

(1 2 3 7 13)
(1 2 4 7 13)
(1 2 5 7 13)
(1 2 6 7 13)
(1 3 4 6 13)
(1 3 5 6 13)
(2 3 5 6 12)
(2 3 4 6 12)
ans 8

Is this solution Helpfull? Yes (25) | No (1)  

Amol  (8 years ago)

(e,d,c,b,a) = (1 2 3 7 13) (1 2 4 7 13) (2 3 4 6 12) (1 2 5 7 13) (1 2 6 7 13) (1 3 4 6 13) (2 3 5 6 12) (1 3 5 6 13)
Therefore answer is 8.

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Sourav Paul  (7 years ago)

a+e=14
∆ (13,1),(12,2),(11,3),(10,4),(9,5)
possible pairs since minimum difference between the digits must be 3 (b,c,d)
b+d= 9
∆ (7,2),(6,3),(8,1)
difference 1 (c)

8 pairs

Is this solution Helpfull? Yes (1) | No   

anmol  (8 years ago)

Priya why u don't take combination with 11 in ( e,d,c,b,a)

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