21 - 30 of 36 Questions
# | Question | Ans |
---|---|---|
21. |
A ship sails 6km from a port on a bearing 070° and then 8km on a bearing of 040°. Find the distance from the port. A. 7.21km B. 13.53km C. 16.86km D. 44.57km E. 67.17km |
B |
22. |
Calculate without using tables Tan 45° + Cos 60° A. \(\sqrt{\frac{3}{2}}\) - 1 B. \(\frac{1}{2}\) C. 1\(\frac{1}{2}\) D. \(\sqrt{\frac{3}{2}}\) + 1 E. 2 |
C |
23. |
A is at 50°N and B is at 10°N, If A and B are on the same longitude, find the distance AS. Correct your answer to Four significant figures. (Earth radius = 6400km) A. 6468km B. 5469km C. 4470km D. 3470km E. 2488km |
C |
24. |
If a = {x : 1 < x < 9} ; b = {x : 0 < x < 9} ; C = {x : 2 x < 9} and a, b, c U, what are the elements in U? A. U = {-1 < x < 9} B. U = {0 < x < 9} C. U = {1 < x < 9} D. U = {1 < x < 10} E. {2 < x < 10} |
C |
25. |
If log 3 = 0.4771 and log 2 = 0.3010, what is the value of log 12? A. 0.0432 B. 0.4322 C. 1.0791 D. 1.2552 E. 1.5225 |
C |
26. |
If 7 is subtracted from twice a certain number x, the result is at most 5. What is the range of the number? A. x < 2 B. x < 3 C. x < 4 D. x < 5 E. x < 6 |
E |
27. |
Find the standard deviation of the numbers 6, 9, 10, 8 and 7 A. 1.4 B. 2 C. 2.4 D. 5 E. 8 |
A |
28. |
Simplify P-6 × P3 × P2 ÷ P4 × P0 A. p5 B. p4 C. p3 D. p-3 E. p-5 |
E |
29. |
3 - 7, 8 - 12, 13 - 17, 18 - 22. Which of the following is/are true? A. I only B. II only C. III only D. I and II only E. II and III only |
A |
30. |
T varies directly as D and inversely as A. Given that T = 6, D = 3, and A = 2, find A when T = 3 and D = 6. A. 4 B. 6 C. 8 D. 12 E. 24 |
C |
21. |
A ship sails 6km from a port on a bearing 070° and then 8km on a bearing of 040°. Find the distance from the port. A. 7.21km B. 13.53km C. 16.86km D. 44.57km E. 67.17km |
B |
22. |
Calculate without using tables Tan 45° + Cos 60° A. \(\sqrt{\frac{3}{2}}\) - 1 B. \(\frac{1}{2}\) C. 1\(\frac{1}{2}\) D. \(\sqrt{\frac{3}{2}}\) + 1 E. 2 |
C |
23. |
A is at 50°N and B is at 10°N, If A and B are on the same longitude, find the distance AS. Correct your answer to Four significant figures. (Earth radius = 6400km) A. 6468km B. 5469km C. 4470km D. 3470km E. 2488km |
C |
24. |
If a = {x : 1 < x < 9} ; b = {x : 0 < x < 9} ; C = {x : 2 x < 9} and a, b, c U, what are the elements in U? A. U = {-1 < x < 9} B. U = {0 < x < 9} C. U = {1 < x < 9} D. U = {1 < x < 10} E. {2 < x < 10} |
C |
25. |
If log 3 = 0.4771 and log 2 = 0.3010, what is the value of log 12? A. 0.0432 B. 0.4322 C. 1.0791 D. 1.2552 E. 1.5225 |
C |
26. |
If 7 is subtracted from twice a certain number x, the result is at most 5. What is the range of the number? A. x < 2 B. x < 3 C. x < 4 D. x < 5 E. x < 6 |
E |
27. |
Find the standard deviation of the numbers 6, 9, 10, 8 and 7 A. 1.4 B. 2 C. 2.4 D. 5 E. 8 |
A |
28. |
Simplify P-6 × P3 × P2 ÷ P4 × P0 A. p5 B. p4 C. p3 D. p-3 E. p-5 |
E |
29. |
3 - 7, 8 - 12, 13 - 17, 18 - 22. Which of the following is/are true? A. I only B. II only C. III only D. I and II only E. II and III only |
A |
30. |
T varies directly as D and inversely as A. Given that T = 6, D = 3, and A = 2, find A when T = 3 and D = 6. A. 4 B. 6 C. 8 D. 12 E. 24 |
C |