CBSE 10

Probability

Probability What is the probability of getting a head when tossing a fair coin once?a) 0b) 1c) 1/2d) 1/3Answer: cIf…

10 months ago

Statistics

Statistics What is the formula for the mean of grouped data using the direct method?a)x=∑f∑xx = frac{sum f}{sum x}b)x=∑fx∑fx =…

10 months ago

Surface Areas and Volumes

Surface Areas and Volumes What is the formula for the volume of a sphere with radius r?a)43πr3b)πr2c)4πr3d)πr3Answer: a)43πr3What is the…

10 months ago

Areas Related to Circles

Areas Related to Circles What is the formula for the area of a circle with radius r?     a)πr3b)2πrc)πr2d)πr2Answer: c)πr2What is a…

10 months ago

Circles

Circles    How many tangents can a circle have?a) 1b) 2c) Infinited) NoneAnswer: c) InfiniteWhat is the point where a tangent…

10 months ago

Some Applications of Trigonometry

Some Applications of Trigonometry What is the line drawn from the observer’s eye to the object being viewed called?(A) Line…

10 months ago

Introduction to Trigonometry

Introduction to Trigonometry The value of sin 30° is:(A) 1(B) 1/2(C) √3/2(D) 0Answer: (B) 1/2The value of cos 0° is:(A)…

10 months ago

Coordinate Geometry

Coordinate Geometry  What is the x-coordinate of a point called?a) Ordinateb) Abscissac) Distanced) SlopeAnswer: bWhat is the distance of a…

10 months ago

Triangles

Triangles  All circles areA) CongruentB) SimilarC) BothD) NeitherAnswer: BAll squares areA) CongruentB) SimilarC) BothD) NeitherAnswer: BAll equilateral triangles areA) CongruentB)…

10 months ago

Quadratic Equations

Quadratic Equations  What is the standard form of a quadratic equation?a) ax + b = 0b) ax² + bx +…

10 months ago