MBA Exam

ten bags contains 10 coins each.All the coins look alike but the coins in one bag weigh 1gm less than that in other bags. What is the least number of weighing using a spring balance needed to identify the bag containing 9gm coins?.....plz post the solution as soon as possible..

1) 1
2) 2
3) 3
4) 4
5) 5

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MBA Other Question

In a softball league, after each team has played every other team 4 times, the total accumulated points are: Lions 22, Tigers 19, Mounties 14, and Royals 12. If each team received 3 points for a win, 1 point for a tie and no points for a loss, then how many games ended in a tie?

1) 3
2) 4
3) 5
4) 7
5) 6
A person has to climb 10 steps...He climbs in either a single step or 2 steps.In how many ways can he do it?

1) 28
2) 15
3) 89
4) 98