Exam Details
2019 Elementary Mathematics
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Questions
100
Duration
180 mins
Package
Combined Defence Services Examination (I) - Previous Year Papers
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100questions
Medium
34
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Hard
33
33%
Easy
33
33%
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100questions
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Sample questions from this paper
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2019 · Unclassified
2019 Elementary Mathematics
What is the remainder when (17²9 + 19²9) is divided by 18 ?
2019 · Unclassified
2019 Elementary Mathematics
What is the largest value of n such that 10^n divides the product 2⁵ × 3³ × 4⁸ × 5³ × 6⁷ × 7⁶ × 8¹2 × 9⁹ × 10⁶ × 15¹2 × 20¹4 × 22¹1 × 25¹5 ?
2019 · Unclassified
2019 Elementary Mathematics
How many pairs (A, B) are possible in the number 479865AB if the number is divisible by 9 and it is given that the last digit of the number is odd ?
2019 · Unclassified
2019 Elementary Mathematics
Consider the multiplication 999 × abc = def132 in decimal notation, where a, b, c, d, e and f are digits. What are the values of a, b, c, d, e and f respectively ?
2019 · Unclassified
2019 Elementary Mathematics
Three cars A, B and C started from a point at 5 p.m., 6 p.m. and 7 p.m. respectively and travelled at uniform speeds of 60 km/hr, 80 km/hr and x km/hr respectively in the same direction. If all the three met at another point at the same instant during their journey, then what is the value of x ?
2019 · Unclassified
2019 Elementary Mathematics
Priya's age was cube of an integral number (different from 1) four years ago and square of an integral number after four years. How long should she wait so that her age becomes square of a number in the previous year and cube of a number in the next year ?