TCS Company Numerical Ability Number System

If 1535/1038 = a+1/[b+1/{c+(d+1/e)}]. Find a*b*c*d*e

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TCS Other Question

find how many 4 digits no. is less then 1239 such that all 4 digits are distinct.
In the reading room of a library, there are 23 reading spots. Each reading spot
consists of a round table with 9 chairs placed around it. There are some readers such
that in each occupied reading spot there are different numbers of readers. If in all there
are 36 readers, how many reading spots do not have even a single reader?
a) 8 b) none c) 16 d)15