MBA Exam

If f(x) = 2x2 – 1, then find the value of f -1(49) + f -1(161).

1) 5
2) 9
3) 14
4) 17

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MBA Other Question
From the first ‘n’ consecutive natural numbers written on a blackboard, one of the numbers isremoved. If the average of the remaining numbers is32+2/9then find the number removed.explaination needed

1) 50
2) 64
3) 46
4) none of these
 A military camp had provision for 150 soldiers for 45 days.After 10 days 25 men left the camp.How long the provision will last now?P.S. post in the short cut for the same

1) 39 days
2) 41 days
3) 42 days
4) 44 days
5) 45 days