Day 225: CDS Maths
5 questions. Try each one first, then open its answer.
Question 1
Quadrilaterals. Asked once: CDS 2 2026
62A Question is given followed by two Statements I and II. Consider the Question and the Statements and mark the correct option. Question : The diagonal of a rectangle ABCD (AB > BC) is cm. What is its perimeter ? Statement I : Length AB is an integer. Statement II : Length BC is an integer. Which one of the following is correct in respect of the above Question and Statements ?Tap an option to check your answer.
Question 2
Ratio, Proportion and Variation. Asked once: CDS 2 2026
29A variable y is directly proportional to a variable quantity . Given that when x = 2, y = 20.8 and when x = 3, y = 105.3. Which one of the following is the constant of proportionality if it is greater than 1 ?Tap an option to check your answer.
Question 3
Sequence and Series. Asked once: CDS 1 2025
42What is the maximum value of the sum of the numbers 36, 33, 30, 27, 24, ... ?Tap an option to check your answer.
Question 4
Sets. Asked once: CDS 2 2026
31Consider the following statements : I. The set of all birds living on the Earth is an infinite set. II. The set of all real numbers between 0 and 10 is a finite set. Which of the statements given above is/are correct ?Tap an option to check your answer.
Question 5
Simple and Compound Interest. Asked once: CDS 2 2024
81Three amounts , , are such that is the compound interest on ; and is the compound interest on . The rate of interest per annum and the time period in years are same. Which one of the following is correct ?Tap an option to check your answer.