DISCRETE MATH
a. How many integers between 1 and 1000 are divisible by either
7 or 11?
b . How many integers between 1 and 1000 have distinct
digits?
c .A student council consists of 15 students. Two council
members always insist on serving on committees together. If they
cannot serve together, they will not serve at all. How many ways
can a committee of six be selected from the council membership?
d. A set of five distinct computer science...
10.Which base pairing is incorrect for DNA replication (not
protein synthesis)
a. A-T
B. T-A
C. G-C
D. U-T
12.Cancer results from unchecked
a. Mitosis
b. Meiosis
c. Homeostasis
d. Complementarity
22. Which of the following is true about aerobic cellular
respiration?
a. it occurs in both plant and animal cells
b. It is a catabolic reaction
c. Sugar ( in the presence of oxygen) is broken down into carbon
dioxide and water, releasing energy.
d. all of the above...
How many 10 digit decimal numbers contain:
a-) exactly three 7’s ?
b-) at most two 7’s ?
c-) at least two 7’s ?
please explain when solving problems. thanks