Latest TCS Aptitude Question SOLUTION: Anoop managed to draw 5 circles of equal radii with their centres on the diagonal of a square such that the two extreme circles touch two sides of the square and each middle circle

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Challenger of the Day

Deep Narayan Mojumder
Deep Narayan Mojumder
India
West Bengal
Time: 00:01:02
Points
19

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

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Maths Quotes

"5/3rds of all people just don't get fractions"

Unknown

Calculus is the most powerful weapon of thought yet devised by the wit of man.

W. B. Smith

"The gaming of numbers is called maths.So participate in this wonderful game and explore in it,learn in it and enjoy in it.Then only you can pass in this wonderful game."

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Mathematics is like a rain... When we know how to solve it, We will continouosly do it.

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Placement Questions

O and O’ are centers of the two circles with radii 7cm and 9cm respectively. The distance between the centers is 20cm. If PQ is the transverse common tangent to the circles which cuts OO’ at X, what is the length of O’X in cm?

a. 35/4

b. 45/4

c. 10

d. 11

Unsolved Asked In: Elitmus

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

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