Latest TCS Aptitude Question SOLUTION: 10 people are there, they are shaking hands together, how many hand shakes possible, if they are in no pair of cyclic sequence. a) 45 b) 9 c) 12 d) 10

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Challenger of the Day

Devendra M
Devendra M
India
Maharashtra
Time: 00:01:14
Points
19

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1 + 9 + 24 + 46 + ... Find the sum of sequence

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Maths Quotes

The highest form of pure thought is in mathematics

Plato

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R.ArunKumar

Matematics is like Love,a simple idea but can get complicated.

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Placement Questions

A woman is walking down a downward-moving escalator and steps down 10steps to reach the bottom. Just as she reaches the bottom of the escalator, a sale commences on the floor above. She runs back up the downward moving escalator at a speed five times that which she walked down. She covers 25 steps in reaching the top. How many steps are visible on the escalator when it is switched off?

Unsolved Asked In: Book

A car goes from A to B with certain velocity.Due to some problem in the engine after travelling 30 km,it goes in 4/5th of actual velocity and reach B 45 minutes late.If engine fails after 45km,then reach B 36 minutes late.Find velocity and distance between A and B.

Unsolved Asked In: Elitmus

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