Day 184: CDS Maths

5 questions. Try each one first, then open its answer.

Question 1
Mensuration 3D. Asked once: CDS 2 2018 (same type asked 3 times) See all 3 of this type
86 $1 : 3$
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Question 2
Linear Equations. Asked once: CDS 1 2017 (same type asked 3 times) See all 3 of this type
40 $Sunil wants to spend Rs. 200 on two types of sweets, costing Rs. 7 and Rs. 10 respectively. What is the maximum number of sweets he can get so that no money is left over ?$
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Question 3
Triangles. Asked once: CDS 2 2017 (same type asked 3 times) See all 3 of this type
85 $Consider the following statements : 1. The point of intersection of the perpendicular bisectors of the sides of a triangle may lie outside the triangle. 2. The point of intersection of the perpendiculars drawn from the vertices to the opposite sides of a triangle may lie on two sides. Which of the above statements is/are correct ?$
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Question 4
Polynomials. Asked once: CDS 1 2018 (same type asked 3 times) See all 3 of this type
16 $3x^3 + kx^2 + 5x - 6$
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Question 5
Ratio, Proportion and Variation. Asked once: CDS 2 2018 (same type asked 2 times) See all 2 of this type
37 $Ten (10) years before, the ages of a mother and her daughter were in the ratio 3 : 1. In another 10 years from now, the ratio of their ages will be 13 : 7. What are their present ages ?$
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Question 1