Latest self Aptitude Question SOLUTION: (5,2)=29. (6,2)=48. (7,2)=69. (8,2)=92. THEN (9,2)=?

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(#M40020158) SELF question SERIES Keep an EYE

(5,2)=29.
(6,2)=48.
(7,2)=69.
(8,2)=92.
THEN (9,2)=?

MAN (11 years ago)

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mohan lal garg  (11 years ago)

(9,2)=9^2+36=117
(4,12,20,28..........series is add)

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kopparapuvyshnavi  (11 years ago)

ans is 125 because......
(5,20)=10*3-1=29
i.e 5*2=10 again difference b/w 5and 2= 3 so again 10*3=30.and 30-1=29
every 1st,3rd,5th odd series works like this
where as
(6,2)=6*2=12
6-2=4
12*4=48
so now (9,2) is 5th one it follows 1st series so 9*2=18
(9-2)=7
18*7=126
so ans is 126-1=125

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MAN  (11 years ago)

ans-117..
as (5,2)=(5^2-2^2) + 8=29
(6,2)=(6^2-2^2) + 16=48.
(7,2)=(7^2-2^2) + 24=69.
(8,2)=(8^2-2^2) + 32=92.
(9,2)=(9^2-2^2) + 40=117

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