Experience the Quality With Free PSAT Exam Questions That Helps Candidates Pass

55%+30%=85%. Remaining=15%. 15% of 600=90. Correct = D, not B. On PSAT, always compute remainder as 100%–sum. Missteps often occur with arithmetic.

Area formula: 12×base×height\tfrac{1}{2}\times\text{base}\times\text{height}. = 0.5×10×6=30. Choice A correct. Choice B = base×height, forgetting ½. Choice C = dividing twice. Choice D = multiplying wrong pair. On PSAT, memorizing formulas is essential. Always apply ½ for triangles.

Factor: x2−4x+3=(x−1)(x−3)x^2-4x+3=(x-1)(x-3). Roots are 1 and 3. Choice A correct. B and D flip signs. C gives 2, not root. On PSAT, factoring is faster than quadratic formula when numbers are simple. Spotting factor pairs (3×1=3, sum 4) is key.

Subtract 5: 6x=24. Divide: x=4. Choice B correct. Substitution: 6(4)+5=29. Works. On PSAT, linear solving requires careful isolation.

Inclusion–exclusion: 150+100–50=200. Correct answer = A, not B. At least one = 200. Others misapply overlap. On PSAT, always subtract those counted twice.