CDS-I Elementary Mathematics Question Paper (February 07, 2021); Download PDF
CDS 1 2021 is scheduled for February,07 2021, and will be conducted in Elementary Mathematics, with 120 questions. It is a national-level exam conducted by UPSC to recruit candidates for the Indian Army, Navy, and Air Force. The selection process includes a written exam, followed by the SSB (Service Selection Board) Interview and medical examination. Final selection is based on merit and candidates' performance in all stages.
CDS I 2021 Elementary Mathematics Previous Year Paper (07-Feb-2021)
Q1.
Consider the following data with regard to production of cars (In lakhs): Year 2015 Year 2016 Country A 35 38 Country B 45 47 Country C 88 93 Country D 75 79 Country E 58 60.9
In which of the countries, the production of cars has increased by more than or equal to 5% in 2016 over 2015?
Q2.
The following table shows the marks of 90 students in a test of 80 marks: Marks Number of Students 1 – 10 5 11 – 20 8 21 – 30 10 31 – 40 13 41 – 50 18 51 – 60 17 61 – 70 12 71 – 80 7
The percentage of students who have obtained less than or equal to 50% marks is
