MBA
Exam
Let Sm denote the sum of the cubes of first m natural numbers. For How many values of m<=50,is Sm a multiple of 5? 1) 20 2) 21 3) 22 4) 23
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MBA Other Question
A positive whole number M less than 100 is represented in base 2 base 3 base 5 notation.it is found that in all 3 cases the last digit is 1.while in exactly two out of the three cases the leading digit is 1 then M equals 1) 31 2) 63 3) 75 4) 91 5) none of these
PQ is a chord of 6cmof a circle of radius of 5cm.Tangents to circle at P and Q meet at T..find lenght of TP...plz explain also 1) 4.75 2) 2.75 3) 3.75 4) 4.24