CBSE Class 9 Math: Ten Important Questions 1. ABCD is a rhombus and P, Q, R, S are mid-points of AB, BC, CD and DA Prove that quadrilateral PQRS is a rectangle. 2. ABCD is a rectangle and P, Q, R and...
QUESTION In a school of 100 students each of them play at least one sport among cricket, football, volleyball, basketball, hockey and tennis.It is known that exactly 90 play cricket, 80 play football,...
दीर्घ संधि की परिभाषा जब दो शब्दों की संधि करते समय (अ, आ) के साथ (अ, आ) हो तो ‘आ‘ बनता है, जब (इ, ई) के साथ (इ, ई) हो तो ‘ई‘ बनता है, जब (उ, ऊ) के साथ (उ, ऊ) हो तो ‘ऊ‘...