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Question 776059: 1) A warehouse contains 200 shoes of size 8, 200 shoes of size 9 and 200 shoes of size 10. Of these 600 shoes, there are 300 left shoes and 300 right shoes. What is the minimum number of usable shoes?
Answer Options:
(a) 50 (b) 100 (c) 200 (d) none of these
2) If 'K' is any natural number, such that 100<=K<=200, how many values of K exist such that K! has 'z' zeroes at its end and (K+2)! has 'z+2' zeroes at its end?
Answer options:
(a) 2 (b) 4 (c) 6 (d) none of these
3) There exists a 5 digit number N with distinct and non-zero digits such that it equals the sum of all distinct three digit numbers whose digits are all different and are all digits of 'N'. Then the sum of the digits of 'N' is a necessarily?
Answer options:
(a) Perfect Square (b) Cube (c) Even (d) None of these
4) Starting with 1, positive integers are written one after the other. What is the 40,0000th digit that will be written?
Answer options:
(a) 3 (b) 6 (c) 8 (d) none of these
5) If in the number system of a particular country, 25 means 5 tens and 2 units, 467 means 7 hundreds, 6 tens and 4 units. Then find the value of 173 x 425? (x here means multiplication)
Answer options:
(a) 4,04,491 (b) 7,35,255 (c) 6,22,744 (d) 5,25,376
Answer by psbhowmick(878)   (Show Source):
You can put this solution on YOUR website! The rule for this forum is 1 question per post. The first question is already answered at the link below.
http://www.algebra.com/cgi-bin/jump-to-question.mpl?question=776026
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