Day 231: CDS Maths
5 questions (6 parts). Try each one first, then open its answer.
Question 1
Simple and Compound Interest. Asked once: CDS 2 2024
69A question is given followed by two statements I and II. Consider the Question and the Statements and mark the correct option. Question : What is the amount at the end of 10 years ? Statement-I : The principal amount is Rs. 1,00,000 Statement-II : Rate of interest is 10% per annum Which one of the following is correct in respect of the above Question and the Statements ?Tap an option to check your answer.
Question 2 (case study, 2 parts)
Statistics. Asked once: CDS 2 2025
For the following two (02) items : Consider the following distribution having median value 24 :Marks Number of Students Less than 10 5 Less than 20 30 Less than 30 Less than 40 Less than 50 99What is the value of ?Tap an option to check your answer.
100What is the mean of the distribution?Tap an option to check your answer.
Question 3
Surds, Indices and Simplification. Asked once: CDS 1 2026
78A Question is given followed by two Statements I and II. Consider the Question and the Statements and mark the correct option. Question : Is always greater than 2, where n is an integer ? Statement-I : n is an even integer Statement-II : n is negative Which one of the following is correct in respect of the above Question and the Statements ?Tap an option to check your answer.
Question 4
Time and Work. Asked once: CDS 2 2023
7Three persons A, B and C together can do a piece of work in 36 days. A and B together can do five times as much work as C alone; B and C together can do as much work as A alone. If A and C together can do n times as much work as B alone, then what is the value of n ?Tap an option to check your answer.
Question 5
Time, Speed and Distance. Asked once: CDS 1 2026
18A person goes downstream at x km/h and upstream at y km/h by the same boat. What is the ratio of speed of boat in still water to speed of water ?Tap an option to check your answer.