TCS Company Numerical Ability Probability

Your friend prakhar has a collection of 13 bags containing cricket balls to be distributed among some bowlers. The bags are labeled "bag_1", "bag_2", ..., "bag_13" and the bag labeled "bag_n" contains exactly n cricket balls. The bags are sealed and cannot be opened prior to distribution. What is the maximum number of bowlers that prakhar can distribute the bags to if each bowler gets the same number of balls?

a. 7
b. 13
c. 8
d. 5
e. 6

Read Solution (Total 10)

TCS Other Question
frank proposes the following problem in the class.
If a = 1 + 3 + 5 + 7 + .. + 31
and b = 2 + 4 + 6 + 8 + ... + 32
then the value of (a - b)2 is
1024
256
225
961 dhiman is trying to hone his skills on counting and comes across the following problem.
How many 4 digit numbers are divisible by 5 with all the digits distinct? In the options below, n! = 1*2*...*n is the factorial function (e.g. 4! = 24).
His answer would be :
18*9!/7!
9!/6!
8*8!/6!
16*8!/6!
17*8!/6!