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Most voted puzzles under tag algebra

0 votes
How many positive integers n have the property that the remainder of dividing 2003 by n is equal to 23?
posted May 15, 2017 by Pushpak Chauhan
  • algebra
  • logic
0 votes
If x+1/x=-1 then x^2016+1/x^2016=?
posted May 7, 2017 by anonymous
  • number puzzle
  • algebra
0 votes
Find the angle in which these two curves intersect each other: 1) xy=1 2) x^2-y^2=1
posted May 4, 2017 by anonymous
  • algebra
  • mathematical
0 votes
If X - Y = XY = 10 then find the value of X^4 + Y^4
posted May 4, 2017 by anonymous
  • algebra
  • mathematical
0 votes
If a+b+c=1 where a,b,c are non negative real number then find the maximum value of 10101(ab+bc+ca) - 12987abc
posted Apr 22, 2017 by anonymous
  • algebra
  • mathematical
0 votes
If 3^(x - y) = 81 and 3^(x + y) = 729 find value of x*y
posted Apr 21, 2017 by anonymous
  • algebra
0 votes
What is the remainder when 32^32^32 is divided by 9?
posted Apr 20, 2017 by anonymous
  • number puzzle
  • logic
  • algebra
0 votes
What is the reminder when 1^7 + 2^7 + 3^7 ....100^7 is divided by 4?
posted Apr 20, 2017 by anonymous
  • logic
  • algebra
0 votes
If polynomial f(x)+f(2x+y)+5x= f(3x-y)+2x^2+1 where x and y are real numbers, then determine value of f(10)?
posted Apr 17, 2017 by anonymous
  • algebra
  • mathematical
0 votes
If x + x^3 + x^9 + x^27 + x^81 + x^243 gives a reminder of ax+b when divided by x^2 - 1 then what is the value of a + b?
posted Apr 17, 2017 by anonymous
  • algebra
  • mathematical
0 votes
Which is the largest 5 digit number which is divisible by 18, 26 and 35?
posted Apr 11, 2017 by anonymous
  • number puzzle
  • algebra
  • mathematical
0 votes
If log4 + log(17x+1) = log(3x+7) - 0^(0!) + 0^(0) + 9 Mod 11 - 243 Mod 13 , then value of x is ?
posted Apr 5, 2017 by anonymous
  • algebra
0 votes
Which is the smallest number of five digits which is divisible by 15, 27 and 35?
posted Mar 28, 2017 by anonymous
  • mathematical
  • algebra
0 votes
What is the largest prime factor of 2017! + 2018! + 2019!
posted Mar 16, 2017 by anonymous
  • algebra
  • logic
0 votes
What is the correct value of 3^2^85 = ?
posted Mar 16, 2017 by anonymous
  • logic
  • mathematical
  • algebra
0 votes
What is the minimum number of moves required for the above cards to be arranged backwards as 2017, 2016, ..., 2, 1?
posted Mar 8, 2017 by anonymous
  • logic
  • algebra
0 votes
How many integer solutions are there to the system of following equations: x^2+y-z = 42; x+y^2-z = 18
posted Feb 26, 2017 by anonymous
  • algebra
  • mathematical
0 votes
If (3!)^2 - (2!)^1 - (1!)^0 - 3! - 2! - 1! - 0! = 7 + x^2 then x^2 - 3x/2 - 4 = ?
posted Feb 22, 2017 by anonymous
  • algebra
  • mathematical
0 votes
If log4 + log(13x+1) = log(5x+9) + 1, then what is the value of x?
posted Feb 15, 2017 by anonymous
  • algebra
  • mathematical
0 votes
Positive integer N leaves same remainder 35 when divided by both 2009 & 2010. What is remainder if N is divided by 42?
posted Feb 8, 2017 by anonymous
  • number puzzle
  • mathematical
  • algebra
0 votes
The lowest common multiple of 5 positive integers is 194040. Find the minimum possible sum of these 5 numbers?
posted Jan 29, 2017 by anonymous
  • mathematical
  • algebra
0 votes
In a village there are 4 mansions located at a different Distance from each other.
posted Oct 28, 2016 by anonymous
  • algebra
0 votes
Linear algebra: What is the value of x if "1/2 + 2/5x = x - 3/4"
posted Oct 25, 2016 by George Davros
  • algebra
0 votes
If a+b=8, a+c=13, b+d=8 and c-d=6 Then what would be the value of a, b, c, d?
posted Sep 10, 2016 by anonymous
  • mathematical
  • algebra
0 votes
A quantity x varies inversely as the square of y. Given that x = 4 when y = 3, the value of x when y = 6?
posted Sep 7, 2016 by anonymous
  • mathematical
  • algebra
0 votes
Solve for x, y, and z in the following equation: x29 + y30 + z31 = 366.
posted Sep 4, 2016 by George Davros
  • mathematical
  • number puzzle
  • algebra
  • matrix mechanics
0 votes
There are 5 eligible Gujarati grooms of which 2 know Bengali and 5 eligible Bengali grooms of which 3 know Gujarati...
posted Aug 9, 2016 by anonymous
  • mathematical
  • logic
  • algebra
0 votes
Find 9 odd numbers whose sum is 199?
posted Aug 8, 2016 by anonymous
  • algebra
  • number puzzle
0 votes
If the centroid of a triangle is formed by the points (a,b), (b,c) and (c,a) is at the origin; then a^3 + b^3 + c^3 = ??
posted Mar 2, 2016 by anonymous
  • algebra
  • mathematical
0 votes
If a × b × v × d × e = 1 and a,b v,d,e are all positive real numbers; what is the minimum value of a+b+c+d+e?
posted Feb 25, 2016 by Milli Edwards
  • algebra
  • mathematical
  • logic
0 votes
If (Sqrt3)^5 * (9^2) = (3^x)*(3*Sqrt3) Then x=??
posted Feb 1, 2016 by anonymous
  • algebra
  • mathematical
0 votes
What would be the value of x if ---- log_2 x + log_2 sqrt(x) + log_2 sqrt(sqrt(x)) + log_2 sqrt(sqrt(sqrt(x))) .....= 4
posted Dec 16, 2015 by Kuldeep Apte
  • algebra
  • mathematical
0 votes
If we know x + 1/x =2 then what would be the value of x^2048 + 1/x^2048 +x^2047 - 1 / x^2047 + 1/x^2049 - x^2049 +2
posted Dec 10, 2015 by anonymous
  • mathematical
  • algebra
0 votes
Decipher below algebraic riddle?
posted Oct 24, 2015 by anonymous
  • riddle
  • brain-teasers
  • algebra
0 votes
The sum of 3 single digit numbers is 15 less than their product . If we subtract 2 from first given number then...
posted Sep 17, 2015 by anonymous
  • mathematical
  • algebra
0 votes
If 4^x=.5 then x=??
posted Aug 22, 2015 by anonymous
  • mathematical
  • algebra
0 votes
Which is greater 70^71 or 71^70?
posted Aug 16, 2015 by anonymous
  • number puzzle
  • algebra
  • mathematical
0 votes
If x + 1/x = 5 then x^2 + 1/x^2 = ??
posted Aug 7, 2015 by anonymous
  • mathematical
  • algebra
0 votes
If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of following: 21 Q 7 R 9 S 10 P 13
posted Aug 3, 2015 by Madhavi Latha
  • algebra
0 votes
If (9802 + 9803 + 9804 + .... + 9999 + 10000 = A^3 + (A+1)^3) then what is the value of A?
posted Jul 19, 2015 by anonymous
  • mathematical
  • algebra
0 votes
How many elements of the set {1!, 2!, 3!, ....2015!} are even numbers?
posted Jul 13, 2015 by Salil Agrawal
  • mathematical
  • algebra
0 votes
If a and b are real numbers that satisfy the equation below, what is the value of a and b respectively?
posted Jul 9, 2015 by anonymous
  • mathematical
  • algebra
0 votes
If x + y = 7 and x^3 + y^3 = 133 then xy=??
posted Jun 17, 2015 by anonymous
  • algebra
  • mathematical
0 votes
The function f (x) = | x - 2 | + | 2.5 - x| + |3.6 -x|, where x is a real number, attains a minimum at ??
posted Jun 1, 2015 by Ankit Kamboj
  • mathematical
  • logic
  • algebra
0 votes
If half of sqrt(2) is sqrt(K) then what is the value of K?
posted May 31, 2015 by anonymous
  • algebra
  • mathematical
0 votes
An arithmetic sequence formed of 11 terms, and the sum of all its terms equals to 220. Find the middle term?
posted May 27, 2015 by anonymous
  • series
  • mathematical
  • algebra
0 votes
What is the reminder when 2^123456789 is divided by 7?
posted May 20, 2015 by Harshita Dhaliwal
  • mathematical
  • algebra
0 votes
How many integer values of x and y are there such that 4x + 7y= 3 , while |x|<500 and |y|<500 ?
posted May 19, 2015 by Ankit Kamboj
  • mathematical
  • algebra
0 votes
If f(x)= 25^x / ( 25^x + 5 ) then find f(1/99) + f(2/99) + f(3/99) ..... + f(98/99)?
posted May 12, 2015 by Ankit Kamboj
  • mathematical
  • algebra
0 votes
Find the value of a+b+c+d: if a,b,c,d are positive numbers of algebraic sequence....
posted Feb 18, 2015 by anonymous
  • algebra
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