hi guys, below are few DS questions i had trouble answering,,,,,,,,,,need help.....thanks in advance
159) In xy coordinate plane, line l and line k intersect at point (4, 3). Is product of the slopes negative? C
a. Product of x intercepts of lines l and k is positive
b. Product of y intercepts of lines l and k is negative
OA: C
157) If ab ≠ 0 and (-a, b) and (-b, a) are in the same quadrant, is (-x, y) in this quadrant?
a. xy > 0
b. ax > 0
OA: C
198) All the clients that company x had at the beginning of the year remained with the company for the whole year. If Company x acquired new clients during the year, what was the ratio of number of clients that Company X had at the end to no. of clients that Company X had at the beginning of the year?
a. Ratio of no. of clients that Company X had at beginning of last year to no. of new clients that it acquired during the year was 12 to 1.
b. Company X had 144 clients at beginning of last year
OA: A
159) In xy coordinate plane, line l and line k intersect at point (4, 3). Is product of the slopes negative? C
a. Product of x intercepts of lines l and k is positive
b. Product of y intercepts of lines l and k is negative
OA: C
157) If ab ≠ 0 and (-a, b) and (-b, a) are in the same quadrant, is (-x, y) in this quadrant?
a. xy > 0
b. ax > 0
OA: C
198) All the clients that company x had at the beginning of the year remained with the company for the whole year. If Company x acquired new clients during the year, what was the ratio of number of clients that Company X had at the end to no. of clients that Company X had at the beginning of the year?
a. Ratio of no. of clients that Company X had at beginning of last year to no. of new clients that it acquired during the year was 12 to 1.
b. Company X had 144 clients at beginning of last year
OA: A
