2. How many different arrangements can be formed from the letters of the
word, EQUATION if each arrangement begins and ends with a consonant?
A. 720 B. 2,040 C. 3.100 D. 4,320
3. A Math teacher has 3 Algebra books, 5 Geomcury books, 4 Trigonometry
books, and 3 Statistics books. If Statistics, Trigonometry, Algebra, then
Geometry books are arranged in that order, in how many ways can this be
done?
A. 54,305 B. 88,000 C. 103,680 D. 2,488,320
4. A bucket contains 14 marbles in which 4 are red, 3 are blue, 4 are green, and
3 are yellow. How many sets of 4 marbles are there in which none are red,
but at least 2 are green?
1. 115 B 203
C. 654
D. 815
5. Out of 5 mathematicians and 7 engineers, a committee consisting of 2
mathematicians and 3 engineers is to be formed. In how many ways can this
be done if two particular mathematicians cannot be in the committee?
70 B. 105
C. 450
D. 915
6. In how many ways can 3 couples be seated in a round table?
A. 6
B. 24
C. 56
D. 120​