21. If 
and 
, find 3u + 2v
22. Arrange the following fractions in descending order 
23. How many lines of symmetry has a square?
A. 0
B. 1
C. 2
D. 4
24. If (x, y) → (x, 2y), find the image of 
under the same mapping.
25. The ages in years of eight boys are 14, 14.5, 12, 11.5, 15, 13, 10.5, 13.5. What is their average height?
A. 14
B. 13
C. 12
D. 11
26. Convert 133five to a base ten numeral.
A. 23
B. 25
C. 43
D. 40
27. Find the simple interest on ¢15,000.00 at a rate of 20% per annum for 5 years.
A. ¢10,000.00
B. ¢15,000.00
C. ¢30,000.00
D. ¢50,000.00
28. List all members of the set
{x: 2 < x < 8, x is an integer}
A. {3, 4, 5, 6, 7}
B. {2, 3, 4, 5, 6, 7, 8}
C. {2, 2½, 3, 4, 5, 6, 7, 8}
D. {3, 3½, 4, 4½, 5, 5½, 6, 6½, 7}
29. Simplify 348.94 – 188.34
A. 60.60
B. 60.68
C. 160.60
D. 200.60
30. Find the difference between the values of (2d)2 and 2d2, when d = 3.
A. 16
B. 18
C. 24
D. 28