Questions Asked

arun8408:
f(x)=2x^2−146x+c has 2 roots that are positive prime numbers. What is c?
 updated one year ago
 24 replies
 6 Medals

arun8408:
Find the number of pairs of coprime integers (n,m) such that 1≤n≤m≤20.
Details and assumptions
…
 updated one year ago
 5 replies
 1 Medal

arun8408:
f(x) is a polynomial such that f(1)=8 and f(3)=16. r(x) is the remainder when f(x) is divided by (x−1)(x−3). What is r(5)?
 updated one year ago
 9 replies
 2 Medals

arun8408:
Aditya is excited for his birthday party on Saturday, March 2, 2013. Given Aditya is turning 16 years old on that Saturday, what day of the …
 updated one year ago
 3 replies
 No Medals Yet

arun8408:
f and g are functions defined as f(x)=5x+6/2x−2 and g(x)=4x/3x−2. What is the value of (f∘g)(4)?
Note: f∘g denotes the composition of the 2…
 updated one year ago
 6 replies
 No Medals Yet

arun8408:
The number 1003003001 is the product of N (not necessarily distinct) primes. What is the value of N?
Details and assumptions
The number 32…
 updated one year ago
 1 reply
 No Medals Yet

arun8408:
The series a1,a2,… is a geometric progression. If a4=80 and a5=160, what is the value of a1?
 updated one year ago
 12 replies
 1 Medal