Q1)
Find the sum of the series {√1} + {√2} +{√3}+.....+{√99}+{√100} where {x} is the least integer greater than or equal to x.
Q2)
Six positive numbers are taken at random and are multiplied together.
Then what is the probability that the product ends in an odd digit other
than 5?
Q3)
Let a,b,c,d be four integers such that a+b+c+d =4m+1, where m is a positive integer. Given m which one of the following is necessarily true?
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