MBA Exam

The number of solutions of |||||n2-n-1| - 2| - 3| - 4| - 5| = n2 + n - 30 is/are

1) 0
2) 2
3) More than 2
4) None of these

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MBA Other Question

A and B can do a piece of work in 40 days. After working for 10 days, they are assisted by C and they take 20 days more to finish the work. If C does as much work in 2 days as B does in 3 days, then in how many days can each of them do the same work alone? p-50 days, 100 days and 70 daysa-60 days, 110 days and 75 daysb-70 days, 120 days and 90 daysc-60 days, 120 days and 80 daysd-60 days, 120 days and 90 days

1) p
2) a
3) b
4) c
5) d
One day in my college, when I had descended seven steps on the staircase, I saw my colleague on the ground floor just about to climb up the same staircase. I continued descending and greeted him when we crossed each other. To my surprise, when I had still 4 more steps to go, my colleague had already reached the first floor. I later learnt that he took two steps at a time while I took only one at a time.

1) 19 steps
2) 17 steps
3) 32 steps
4) 22 steps