1 + 9 + 24 + 46 + ... Find the sum of sequence
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A man whose mind has gone astray should study mathematics.
Francis BaconIt is easier to square the circle than to get round a mathematician.
Augustus de Morganmaths is the study of infinity in life
D . Kalyan KumarWhich is more difficult ? solve a mathematics? or Mathematics to solve?
G. C
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
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?
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