Question Library
Browse our collection of questions across various subjects
Mathematics
Easy
View
A person selling an article for ₹ 96 finds that his loss percent is one-fourth of the amount of rupees…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
If m and n (m > n) are the roots of the equation 7(x + 2a)² + 3a² = 5a(7x…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
The HCF of two natural numbers m and n is 24 and their product is 552. How many sets of…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
There are 48 cricket balls, 72 hockey balls and 84 tennis balls, and they have to be arranged in several…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
If N² – 33, N² – 31 and N² – 29 are prime numbers, then what is the number of…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
If m and n are the roots of the equation x² + ax + b = 0, and m² and…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
If the equation x² + 2(1 + k)x + k² = 0 has equal roots, then what is the value…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
The multiplication of a three-digit number XYS with digit Z yields XY2. What is X + Y + Z equal…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
What is the number of divisors of 360?
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
Consider the following statements in respect of four spheres A, B, C and D having respective radii 6, 8, 10…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
Consider the following statements: 1.(a – b – c) is one of the factors of 3abc + b³ + c³…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
If ax + by – 2 = 0 and axby = 1, where a ≠ 0, b ≠ 0, then…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
A man rides one-third of the distance from A to B at the rate of x km/hr and the remainder…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
What is 1/(a – b) – 1/(a + b) – 2b/(a² + b²) – 4b³/(a⁴ + b⁴) – 8b⁷/(a⁸ –…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
The LCM of two integers is 1237. What is their HCF?
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
The LCM of two numbers is 90 times their HCF. The sum of LCM and HCF is 1456. If one…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
p, q and r are prime numbers such that p < q < r < 13. In how many cases…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
What is the remainder when (17²³ + 15²³ + 29²³) is divided by 23?
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
Easy
View
What is the remainder when [1235 × 4523 × 2451] is divided by 12?
CDS Elementary Mathematics 2014
CDS 2014