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CBSE Questions

Total Questions 9982
write the electron dot structures for sodium ,oxygen and magnesium?
ABCD is a square. X and Y are points on sides AD and BC respectivly such that AY=BX. Prove that (i) BY=AX (ii)<BAY=<ABX (answer the question with figure)
If two Straight lines are perpendicular to each other, is it nessosary that they should be parallel to each other. Justify the Answer with proper reasons
Triangle ABC is an isosceles Triangle in which AB=AC. Side BA is produced to D such that AD=AB. Prove that Angle BCD = 90 Degree (answer the question with proper figure and explanations.)
The volume of a cuboid is p(x)=8x^3+12x^2-2x-3. Find possible expressions for dimensions of a cuboid. Verify the result by taking x=5 units
Factorize x^3-6x^2+11x-6
EXPLAIN ABOUT PEST RESISTANT PLANTS
HOW DO ANTIBIOTICS LIKE PENICILLIN AFFECT THE GROWTH OF BACTERIA IN MILK?
WHAT IS LIGHT ?HOW IS LIGHT IS FORMED ?
chemical equations of solvey process ?
ABCD is a square. X and Y are points on sides AD and BC respectivly such that AY=BX. Prove that (i) BY=AX (ii) <BAY=<ABX .
a+b+c=6, ab+bc+ca=11, Find the value of a^3+b^3+c^3-3abc.
If two Straight lines are perpendicular to each other, is it nessosary that they should be parallel to each other. Justify the Answer with proper reasons
If a+b+c=12, a^2+b^2+c^2=90, Find the value of a^3+b^3+c^3-3abc.
If remainder is same when polynomial p(x)=x^3+8x^2+17x+ax is divided by (x+2) and (x+1), Find the value of 'a'.
Triangle ABC is AN isosceles Triangle in which AB=AC. Side BA is produced to D such that AD=AB. Prove that Angle BCD = 90 Degree
Prove that the sum of any two sides of a triangle is greater than twice the median.
In triangle ABC, AD is the median drawn to side BC. Prove that AB+AC>2AD
Prove that sum of the three altitudes of a triangle is less than the sum of its three sides.
The volume of a cuboid is p(x)=8x^3+12x^2-2x-3. Find possible expressions for dimensions of a cuboid. Verify the result by taking x=5 units