MBA Exam

If x18 = y21 = z28, then 3, 3logyx, 3logzy, 7logxz are in:

1) A.P.
2) G.P.
3) H.P.
4) None of these

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MBA Other Question

How many words can be formed from the letters of the word 'DAUGHTER' so that the vowels never come together ?the answer seems obvious 8!-6!3!but if we ponder from a different perspective, that is taking 5consonants first and arranging them (5! ways of doing that) and thenplacing the 3 vowels in the 6 places created due to the arrangement ofconsonants (6P3 ways to do that), the answer should be 5!*6P3...........Figure out the flaw in the reasoning.... if at all, for this doesn't lead to the right answer....

1) 36000
2) 14400
3) 41000
4) 36900
Mehta sold two watches for a total amount of à¤°2160.
On one watch, he made a profit of 40% and on the other watch he
incurred a loss of 50% On the whole, he neither made a profit nor
incurred a loss. Find the cost price of the watch sold at a loss.

1) 480
2) 960
3) 1200
4) 1680