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The set of admissible values of x such that [2x + 3] / [2x – 9] < 0 is

1) (- ∞, – 3 / 2) ⋃ (9 / 2, ɑ) 2) (- ∞, 0) ⋃ (9 / 2,... View Article

1) a + b – c > 0 2) a > b 3) (a – c) (b – c) >... View Article

1) n < 11 2) n = 10 3) n = 11 4) n > 11 5) n < –... View Article

1) 1 2) 3/2 3) 2 4) 5/2 Solution: (2) 3 / 2 AM ≥ GM [a / (b +... View Article

1) (∞, – 6) 2) (- 6, 0) 3) (0, 6) 4) [6, ∞) Solution: (4) [6, ∞) Since AM... View Article

1) (- ∞, – 2) ∪ (- (1 / 2), ∞) 2) (- ∞, 1) ∪ (2, 3) 3) (-... View Article

1) – 4 < x < 0 2) 0 < x < 1 3) – 100 < x < 100... View Article

1) (- 2, 4) 2) (1 , 2) 3) (-√2, √2) 4) (- 1 / √2, 1 / √2) 5)... View Article

1) [- 3, 3 ] ∪ (- ∞, – 4) ∪ (4,∞) 2) (- ∞, – 4) ∪ (4,∞) 3)... View Article

1) (- ∞, 3) 2) (- ∞, 2) 3) (- ∞,- 3) 4) (- ∞, ∞) 5) (3, ∞) Solution:... View Article

1) [1 , 2] 2) [2, 3] 3) [3, 4] 4) [1, 3] Solution: (3) [3, 4] Given that a,... View Article

1) 2500 2) 3000 3) 1200 4) 3500 Solution: (1) 2500 log10 (x3 + y3) – log10 (x2 + y2... View Article

1) (- ∞, -11) ∪ (3,∞) 2) (- ∞, – 10 ) ∪ (2,∞) 3) (- 100, – 11) ∪... View Article

1) 0 2) 6 3) 7 4) 8 Solution: (3) 7 f (x) = |3 – x| = {3 –... View Article

1) 15 ≤ 2t + 1≤ 20 2) 8 ≤ t < 12 3) 8 ≤ t + 1≤ 13... View Article

1) a2 + b2 > 1 2) a2 – b < 0 3) a2 + b2 = 1 4) a2... View Article

1) (- ∞ , 2) 2) (- 2, ∞) 3) (∞ , ∞) 4) (2 , ∞) Solution: (2) (-... View Article

1) (- 3, 5) 2) (5, 9) 3) (- 2 / 3, 8) 4) ( – 8, 2 / 3)... View Article

1) 9 2) 8 3) 2 4) 1 Solution: (2) 8 a-5, a-4, 3a-3, 1, a8 and a10 All the... View Article

1) 1 2) 2 3) 3 4) 6 Solution: (4) 6 [y + z] / x + [z + x]... View Article