MBA Exam

There are 5 Arithmetic Progressions of 9 terms each. The common property of allthese APs is that they all are composed of positive integers and have the samemiddle term, X. If it is known that the sum of all the numbers of the APs is 4500, then find out the value of X.(1) 50 (2) 100(3) 200 (4)900

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

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MBA Other Question

A sequence x1,x2,x3 Is said to be in harmonic progression if the reciprocals 1/x1,1/x2,1/x3 are in arithmetic progression. The 5th and 7th term for harmonic progression are 30 and 50 respectively what is difference between 6th and 4th term ?

1) 12.5
2) 20
3) none of them
4) 100
A number of saplings are lying at a place by the side of a straight road. These are to be planted in a straight line at a distance interval of 10 m between two consecutive saplings. Mithilesh,the country's greatest forester,can carry only one sappling at a time and has to move back to the orginal point to get the next sapling. In this manner he covers a distance of 1.32 kms. How many saplings does he plant in the process if he ends at the starting point?Plz post a sol to this Q

1) 15
2) 14
3) 13
4) 12
5) 10