Day 318: CDS Maths
5 questions. Try each one first, then open its answer.
Question 1
Mensuration 3D. Asked once: CDS 1 2019
62A solid metallic cylinder of height 10 cm and radius 6 cm is melted to make two cones in the ratio of volume and of same height as 10 cm. What is the percentage increase in the flat surface area ?Tap an option to check your answer.
Question 2
Number System. Asked once: CDS 2 2022
28Consider the question and two statements given below : LCM of two numbers x and y is 481 where . Question : What is the value of ? Statement-1 : . Statement-2 : HCF of x and y is 1. Which one of the following is correct in respect of the question and the statements ?Tap an option to check your answer.
Question 3
Quadratic Equations. Asked once: CDS 1 2017
3If and are the roots of the quadratic equation , where , then what is the maximum value of ?Tap an option to check your answer.
Question 4
Surds, Indices and Simplification. Asked once: CDS 2 2016
13Which one of the following rational numbers has non-terminating and repeating decimal expansion ?Tap an option to check your answer.
Question 5
Triangles. Asked once: CDS 1 2022
39Two sides of a triangle forming a right angle are and . If the area of the triangle is 84 square units, then what is the perimeter of the triangle?Tap an option to check your answer.