CTET Paper II (Mathematics and Science) 6 Jan 2022 Solved Paper

Concept:Distributive property: a × (b + c) = a × b + a × c. The given expression simplifies to -250.Explanation:First, compute -25 × (7 + 3) = -25 × 10 = -250.Check each option:Option A: (-25) × 7 + (-25) × 3 = -175 + (-75) = -250. Equivalent.Option B: (-25) × 10 = -250. Equivalent.Option C: -250. Equivalent.Option D: -25 × 7 × 3 = -525. Not equal to -250.Only option D gives a different result.Answer:Option D: $-25 × 7 × 3$ is not the same.