exam
Maths Puzzle
How many 5-digit positive integers exist the sum of whose digits are odd?
A.
36000
B.
38000
C.
45000
D.
90000
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exam Other Question
For a Lofoya Assets, a selection committee is to be chosen consisting of 5 ex-technicians. Now there are 12 representatives from four zones. It has further been decided that if Mr. Lofs is selected, Relk and Lemini will not be selected and vice-versa. In how many ways it can be done?
A.
572
B.
672
C.
472
D.
372
There are eight boxes of chocolates, each box containing distinct number of chocolates from 1 to 8. In how many ways four of these boxes can be given to four persons (one boxes to each) such that the first person gets more chocolates than each of the three, the second person gets more chocolates than the third as well as the fourth persons and the third person gets more chocolates than fourth person?
A.
35
B.
70
C.
105
D.
210