MBA Exam

There are 5 duplicating machines in an office..the fastest of the machines take P copies in 10 hours and the slowest of the machine makes P copies in 11 hours..If each machine makes p copies then the average time cannot be???CAT 1996

1) 10.7hrs
2) 10.2hrs
3) 10.1hrs
4) 10.5hrs

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MBA Other Question

If the sum of the first ‘n’ terms of an Arithmetic Progression is 100 and the
sum of the next ‘n’ terms of the Arithmetic Progression is 300, then what is the
ratio of the first term and the common difference?

1) 2:1
2) 1:2
3) 1:3
4) cbd
The sequence 1, 3, 4, 9, 10, 12, ... includes all numbers that are a sum of one or more distinct powers of 3. Then the 50th term of the sequence is

1) 252
2) 283
3) 327
4) 360