CBSE . . Class IX and X . . . math and science

11) ABC and ADC are two right triangles with common hypotenuse AC. Prove that ∠ CAD = ∠ CBD.
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11) ABC and ADC are two right triangles with common hypotenuse AC. Prove that ∠ CAD = ∠ CBD.
10) If circles are drawn taking two sides of triangle as diameter, prove that point of intersection
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10) If circles are drawn taking two sides of triangle as diameter, prove that point of intersection
9) Two circles intersect at two points B and C. Through B, two line segments ABD and PBQ are drawn
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9) Two circles intersect at two points B and C. Through B, two line segments ABD and PBQ are drawn
8) If the non-parallel sides of a trapezium are equal, prove that it is cyclic.
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8) If the non-parallel sides of a trapezium are equal, prove that it is cyclic.
7) If diagonals of cyclic quadrilateral are diameter of circle through the vertices of quadrilateral
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7) If diagonals of cyclic quadrilateral are diameter of circle through the vertices of quadrilateral
10.01.01 Number system - different categories - flow chart #Class X #Math #NCERT #CBSE
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10.01.01 Number system - different categories - flow chart #Class X #Math #NCERT #CBSE
6) ABCD is a cyclic quadrilateral whose diagonals intersect at point E. If ∠ DBC = 70°, ∠BAC is 30°
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6) ABCD is a cyclic quadrilateral whose diagonals intersect at point E. If ∠ DBC = 70°, ∠BAC is 30°
5) In Fig. 9.26, A, B, C & D are four points on a circle. AC and BD intersect at a point E such that
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5) In Fig. 9.26, A, B, C & D are four points on a circle. AC and BD intersect at a point E such that
7.02.01 Different terms related to fractions #Math #NCERT #CBSE Class VII Ch:2 fractions
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7.02.01 Different terms related to fractions #Math #NCERT #CBSE Class VII Ch:2 fractions
4) In Fig. 9.25, ∠ABC = 69°, ∠ACB = 31°, find ∠BDC. #Class IX #Math #NCERT #CBSE Ch:9 Circles
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4) In Fig. 9.25, ∠ABC = 69°, ∠ACB = 31°, find ∠BDC. #Class IX #Math #NCERT #CBSE Ch:9 Circles
3) In Fig. 9.24, ∠PQR = 100°, where P, Q and R are points on a circle with centre O. Find ∠OPR.
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3) In Fig. 9.24, ∠PQR = 100°, where P, Q and R are points on a circle with centre O. Find ∠OPR.
2) A chord of a circle is equal to radius of circle. Find angle subtended by chord at a pt on minor
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2) A chord of a circle is equal to radius of circle. Find angle subtended by chord at a pt on minor
1) A,B, C are 3 pts on circle with centre O such that ∠BOC = 30° & ∠AOB = 60°. D is a pt on circle
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1) A,B, C are 3 pts on circle with centre O such that ∠BOC = 30° & ∠AOB = 60°. D is a pt on circle
Q.14) Find X Olympiad level (Class VIII - Maths - Exponent & power) #CBSE #NTSE #exam
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Q.14) Find X Olympiad level (Class VIII - Maths - Exponent & power) #CBSE #NTSE #exam
9.09.09 NCERT Exercise: 9.3 Solution Ch:9 Circles #Class IX #Math #NCERT #CBSE
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9.09.09 NCERT Exercise: 9.3 Solution Ch:9 Circles #Class IX #Math #NCERT #CBSE
Q.15) Find 4^x - 2^x Olympiad level (Class VIII - Maths - Exponent & power) #CBSE #NTSE #exam
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Q.15) Find 4^x - 2^x Olympiad level (Class VIII - Maths - Exponent & power) #CBSE #NTSE #exam
Q.17) Find maximum possible value of n (Class VIII - Maths - Exponent & power) #CBSE #exam
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Q.17) Find maximum possible value of n (Class VIII - Maths - Exponent & power) #CBSE #exam
Q.13) Find relation between x, y and z (Class VIII - Maths - Exponent & power) #CBSE #NTSE #exam
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Q.13) Find relation between x, y and z (Class VIII - Maths - Exponent & power) #CBSE #NTSE #exam
Q.12) Find x + y + z Olympiad level (Class VIII - Maths - Exponent & power) #CBSE #NTSE #exam
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Q.12) Find x + y + z Olympiad level (Class VIII - Maths - Exponent & power) #CBSE #NTSE #exam
9.09.08 Ten Qs from Olympiad & competitive exams on finding angle #ClassIX #Math #CBSE #Circles
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9.09.08 Ten Qs from Olympiad & competitive exams on finding angle #ClassIX #Math #CBSE #Circles
10) Cyclic quadrilateral with 2 equal sides. Find the angle. #ClassIX #Math #NCERT #CBSE #Circles
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10) Cyclic quadrilateral with 2 equal sides. Find the angle. #ClassIX #Math #NCERT #CBSE #Circles
9) Pentagon with 3 equal sides in a circle. Find angle. #Class IX #Math #NCERT #CBSE Ch:9 Circles
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9) Pentagon with 3 equal sides in a circle. Find angle. #Class IX #Math #NCERT #CBSE Ch:9 Circles
8) 'O is the center of circle. Find angle 'alpha' #Class IX #Math #NCERT #CBSE Ch:9 Circles
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8) 'O is the center of circle. Find angle 'alpha' #Class IX #Math #NCERT #CBSE Ch:9 Circles
7) Cyclic Hexagon. Find angle 'alpha' #Class IX #Math #NCERT #CBSE Ch:9 Circles
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7) Cyclic Hexagon. Find angle 'alpha' #Class IX #Math #NCERT #CBSE Ch:9 Circles
6) Chord length is 8cm. Find radius of circle. #Class IX #Math #NCERT #CBSE Ch:9 Circles
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6) Chord length is 8cm. Find radius of circle. #Class IX #Math #NCERT #CBSE Ch:9 Circles
5) Chord intersecting outside circle. Find angle alpha. O is centre of circle. #Class IX #Math
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5) Chord intersecting outside circle. Find angle alpha. O is centre of circle. #Class IX #Math
12) Prove that a cyclic parallelogram is a rectangle. Ex: 9.2 #Class IX #Math #NCERT #CBSE
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12) Prove that a cyclic parallelogram is a rectangle. Ex: 9.2 #Class IX #Math #NCERT #CBSE
5) Three girl Reshma, Salma & Mandip are playing a game by standing on a circle of radius 5m in park
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5) Three girl Reshma, Salma & Mandip are playing a game by standing on a circle of radius 5m in park
9.09.06 NCERT Ex : 9.2 solution #Class IX #Math #NCERT #CBSE #circles Ch:9 Circles
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9.09.06 NCERT Ex : 9.2 solution #Class IX #Math #NCERT #CBSE #circles Ch:9 Circles
2) If two equal chords of a circle intersect within the circle, prove that -segments of one chord
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2) If two equal chords of a circle intersect within the circle, prove that -segments of one chord