Latest TCS Aptitude Question SOLUTION: 3. ( 209 * 144 ) ^2 + (209 * 209) + ( 209 * 144 ) + (144 * 144) = ? a) 905863729 b) 905368729 c) 905729368 d) 65

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3. ( 209 * 144 ) ^2 + (209 * 209) + ( 209 * 144 ) + (144 * 144) = ? a) 905863729 b) 905368729 c) 905729368 d) 65

Asked In TCS venkatesh (12 years ago)

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saikiranmayi  (12 years ago)

The first term of the expression will dominate the sum, so we can evaluate it to tell the difference between answer A and the others.
(209*144)^2 = 30,096^2 = 905,769,216.
The digits in the thousands period (769) are greater than the corresponding digits of answers B or C, so the only viable answer is A.

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