Latest CAT Aptitude Question SOLUTION: The sum of the first 20 terms of the series -12 + 22 - 32 + 42 - 52 + 62 ... is:

• Placement Papers
• /
• CAT
• /
• Logical Reasoning
• /
• Number Series

CAT Question Papers:

(#M40025656) CAT Logical Reasoning question Progressions Keep an EYE

The sum of the first 20 terms of the series -12 + 22 - 32 + 42 - 52 + 62 ... is:

Asked In CAT MAN (10 years ago)

Unsolved Read Solution (3)

Is this Puzzle helpful?   (12)   (9) Submit Your Solution Number Series

Read Solution (3) :

NaveenKumar  (10 years ago)

100

-12+22=10
-32+42=10
-52+62=10
.
.
.
.

.

Is this solution Helpfull? Yes (9) | No   

Vinay   (7 years ago)

22-12=10
42-32=10
....
10*10=100

Is this solution Helpfull? Yes (1) | No   

rahul  (8 years ago)

-12+10x-20 -200-12 = -10

Is this solution Helpfull? Yes | No (1)  

Please Login to Read Solution.