Quantitative Reasoning Prepartion For GAT MCQs
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in Quantitative Reasoning
Answer: Area = ½ × d₁ × d₂ = ½ × 8 × 6 = 24.
Answer: 40% of 150 = 0.40 × 150 = 60.
Answer: 15% of 300 = 0.15 × 300 = 45.
Answer: 3x/6 + 2x/6 = 10, 5x/6 = 10, x = 12.
Answer: 11% of 500 = 0.11 × 500 = 55.
Answer: Perimeter = 2(l+w) = 2(12+5) = 34.
Answer: (2x)² = 4x².
Answer: x + (x+1) + (x+2) = 45, 3x + 3 = 45, 3x = 42, x = 14. Middle = 15.
Answer: 60% of 250 = 0.60 × 250 = 150.
Answer: x - 5 = 3 or x - 5 = -3, so x = 8 or x = 2.
91
What is 3³?
Answer: 3³ = 3 × 3 × 3 = 27.
Answer: (-2)³ + (-2)² = -8 + 4 = -4.
Answer: Volume = πr²h = 3.14 × 9 × 10 = 282.6.
Answer: Area = (θ/360)πr² = (36/360)(3.14)(100) = 0.1 × 314 = 31.4.
Answer: 5 + 2 = 3x - 2x, so x = 7.
Answer: (2+3)² = 5² = 25.
Answer: GCD(24,36) = 12.
Answer: |-7| - |3| = 7 - 3 = 4.
Answer: 1/2 + 1/3 = 3/6 + 2/6 = 5/6.
Answer: 2/5 × 3/4 = 6/20 = 3/10. But as written, 6/20 is correct.