32. What is the value of ?, so that the solution of the equation 2x + ? = 11 is – 4?
- (A) 14
- (B) 23
- (C) 19
- (D) –14
31. Which of the following equations have the same solution?
- (A) x + 2 = 5 and 3x – 1 = 8
- (B) x + 2 = 5 and 3x + 1 = 8
- (C) x – 2 = 5 and 3x – 1 = 8
- (D) x – 2 = 5 and 3x + 1 = 8
30. If x = a, then which of the following is not always true for an integer k?
- (A) kx = ak
- (B) x/k = a/k
- (C) x – k = a – k
- (D) x + k = a + k
29. The value of y for which the expressions (y – 15) and (2y + 1) become equal is
- (A) 0
- (B) 16
- (C) 8
- (D) –16
28. The value of x for which the expressions 3x – 4 and 2x + 1 become equal is
- (A) –3
- (B) 0
- (C) 5
- (D) 1
27. If 43m = 0.086, then the value of m is
- (A) 0.002
- (B) 0.02
- (C) 0.2
- (D) 2
26. The value of z when z/1.2 = 1.5 is
- (A) z = 18
- (B) z = 0.18
- (C) z = 1.8
- (D) z = 1.08
25. If 8x – 3 = 25 +17x, then x is
- (A) a fraction
- (B) an integer
- (C) a rational number
- (D) cannot be solved
24. The value of x in –2/3 = 2x is 3
- (A) 1/3
- (B) –1/3
- (C) 3
- (D) – 3
23. The value of y in the equation 2y = 5 (7 – y) is
- (A) 5
- (B) –5
- (C) 3
- (D) –3
22. The value of x in the equation 7(x – 1) = 21 is
- (A) 1
- (B) 2
- (C) 3
- (D) 4
21. The value of q in the equation (2q – 1) + (q – 1) = q + 2 is
- (A) 1
- (B) 2
- (C) –1
- (D) –2
20. The value of t in the equation 13t – 14 = 9t + 10 is
- (A) 1
- (B) 2
- (C) 3
- (D) 6
19. Value of a in (1/3) + a = (2/5) is
- (A) 4/5
- (B) 1/15
- (C) 10
- (D) 0
18. If (5x/3) – 4 = 2x/5, then the numerical value of 2x – 7 is
- (A) 19/13
- (B) 0
- (C) −13/19
- (D) 13/19
17. What is the value of p so that 9x – p = –21 has the solution (–2)?
- (A) 4
- (B) 3
- (C) –3
- (D) 0