MBA Exam

Find the no. of 4-digit numbers between 1000 and 8000, which are perfectly divisible by 7.

1) 1001
2) 1000
3) 1002
4) 999

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MBA Other Question

Find the number of ways in which we can arrange 2n letters X 1, X 2,.......X n and Y 1, Y 2,.........Y nin a line so that the suffixes of the letters ‘x’ and those of the letters ‘y’ are respectively in ascending order of magnitude.

1) 1
2) n
3) <sup>
n
</sup>
C
<sub>
1
</sub>
+
<sup>
n
</sup>
C
<sub>
2
</sub>
+
<sup>
n
</sup>
C
<sub>
3
</sub>
+.....+
<sup>
n
</sup>
C
<sub>
n
</sub>
4) 2
<sup>
n
</sup>
[135.......(2n-1)/n!
Abdullah, a trader had 3000 bananas with him and he had to take them to a market 1000 km away on his only camel, which can carry a maximum of 1000 bananas at a time. Unfortunately, the camel eats one banana for every 1 km, or a part thereof, that it travels while carrying the bananas. What is the maximum number of bananas that Abdullah can take to the market? 467 533 767 833

1) a
2) b
3) c
4) d