Latest Elitmus Aptitude Question SOLUTION: p,q,r are distinct single digit no,such that (10p+q)^2=110r+q such that each side is greater than 310..ten what is the value of q?

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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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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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