Question Library
Browse our collection of questions across various subjects
Mathematics
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If l is the length of the median of an equilateral triangle, then what is its area?
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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The areas of three adjacent faces of a cuboid are x, y and z. If V is the volume of…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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Let PQRS be a parallelogram whose diagonals PR and QS intersect at O. If triangle QRS is an equilateral triangle…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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The perimeters of two similar triangles ABC and PQR are 75 cm and 50 cm respectively. If the length of…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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A line segment AB is the diameter of a circle with centre at O having radius 6.5 cm. Point P…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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The sides AD, BC of a trapezium ABCD are parallel and the diagonals AC and BD meet at O. If…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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The perimeter of a triangle is 22 cm. Through each vertex of the triangle, a straight line parallel to the…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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What is the value of (sin19° * cos73°)/(cos71° * sin17°)?
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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The angles of elevation of the tops of two pillars of heights h and 2h from a point P on…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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If 0 < θ < 90°, sinθ = 3/5 and x = cotθ, then what is the value of 1…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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If cos²x + cosx = 1, then what is the value of sin²x + 3sin⁴x + 3sin⁶x + sin⁸x?
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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What is the value of log₁₀(cosθ) + log₁₀(sinθ) + log₁₀(tanθ) + log₁₀(cotθ) + log₁₀(secθ) + log₁₀(cosecθ)?
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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Let the bisector of the angle BAC of a triangle ABC meet BC in X. Which one of the following…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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Which one of the following is correct in respect of a right-angled triangle?
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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The area of a sector of a circle of radius 4 cm is 25.6 cm². What is the radian measure…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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Three parallel lines x, y and z are cut by two transversals m and n. Transversal m cuts the lines…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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A hollow right circular cylindrical vessel of volume V whose diameter is equal to its height, is completely filled with…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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A stock of food grains is enough for 240 men for 48 days. How long will the same stock last…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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When N is divided by 17, the quotient is equal to 182. The difference between the quotient and the remainder…
CDS Elementary Mathematics 2019
CDS 2019
Mathematics
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The train fare and bus fare between two stations is in the ratio 3:4. If the train fare increases by…
CDS Elementary Mathematics 2019
CDS 2019