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Most voted puzzles under tag algebra

0 votes
If 2x+2/x=3, then what is the value of x^3 + 1/x^3 + 2 = ?
posted Jul 31, 2018 by anonymous
  • algebra
  • mathematical
0 votes
If one of the roots of the quadratic equation 2x^2 + px + 4 = 0 is 2, then what is the other root of the equation?
posted Jul 31, 2018 by anonymous
  • algebra
  • mathematical
0 votes
If A = 3 and B = 4 + i, A/B = ?
posted Jul 10, 2018 by anonymous
  • algebra
0 votes
What would be the reminder when x^1001 - 1 is divided by x^4 + x^3 + 2x^2 + x + 1?
posted Jul 5, 2018 by anonymous
  • algebra
0 votes
How many boys and girls were in the group?
posted Jul 5, 2018 by Tapesh Kulkarni
  • mathematical
  • algebra
0 votes
Find the number of positive integral ordered pairs a, b satisfying the equation a^b + b^a = 100
posted Jun 16, 2018 by anonymous
  • algebra
0 votes
What is the value of X?
posted Jun 15, 2018 by Aman
  • mathematical
  • algebra
0 votes
If a^2 + b^2 + C^2 = 9 then what is the max value of 2(a + b + c) - abc where a,b,c are real numbers?
posted Jun 7, 2018 by anonymous
  • algebra
  • mathematical
0 votes
How many factors of ********** are even numbers?
posted Jun 7, 2018 by anonymous
  • mathematical
  • algebra
0 votes
If log 27 = 1.935, then what is the value of log 9
posted May 23, 2018 by anonymous
  • algebra
  • mathematical
0 votes
What would be the sum of all positive integers n such that 20n and 5n+275 both are perfect squares?
posted May 21, 2018 by Samardeep Acharya
  • algebra
  • mathematical
0 votes
If A != B and A^n + B^n is an integer for all positive integers n, must A and B both be the integers? [MCQ]
posted May 17, 2018 by Mohammad
  • number puzzle
  • mathematical
  • logic
  • algebra
0 votes
What is the least positive integer n such that n!(n+1)!(2n+1)! - 1 yields a number ending with thirty digits of 9's?
posted May 3, 2018 by anonymous
  • number puzzle
  • algebra
0 votes
What is the domain of the function log(log(sinx))?
posted May 2, 2018 by anonymous
  • algebra
  • mathematical
0 votes
Find the minimum value of n such that the equation 10^n/x = 1989 has an integer solution x where n is a natural number?
posted Apr 25, 2018 by anonymous
  • number puzzle
  • mathematical
  • algebra
0 votes
What is the coefficient of x^203 in the expression: (x-1)(x^2-2)(x^3-3)...(x^20-20)
posted Apr 22, 2018 by anonymous
  • algebra
0 votes
Find the value of each and then find the value of the missing number.
posted Apr 19, 2018 by Akriti
  • logic
  • visual
  • algebra
0 votes
A line makes angles A, B, C, D with four diagonals of a cube, then find value of Cos^2 A + Cos^2 B + Cos^2 C + Cos^2 D
posted Apr 7, 2018 by anonymous
  • algebra
  • geometry
0 votes
Let a1 and a2 be the roots of equation (x- a)(x - b) = c then what are the roots of equation (x - a1)(x - a2) + c = 0?
posted Apr 1, 2018 by anonymous
  • algebra
0 votes
What is the remainder in terms of x when x^1999 is divided by (x^2 - 1)?
posted Apr 1, 2018 by anonymous
  • algebra
  • logic
0 votes
Find the remainder when 23^23 is divided by 53?
posted Mar 12, 2018 by anonymous
  • number puzzle
  • algebra
0 votes
If 2014 ^ 2014 mod 7 = n mod 7 where 0<= n <= 7 then what is n?
posted Mar 12, 2018 by anonymous
  • number puzzle
  • algebra
  • logic
0 votes
What is the remainder when 19^92 is divided by 92?
posted Mar 12, 2018 by anonymous
  • number puzzle
  • logic
  • algebra
0 votes
Area bounced by the curve xy^2=a^2 between (a-x) and y-axis?
posted Mar 9, 2018 by Bharadwaj Dasu
  • mathematical
  • algebra
0 votes
Find the middle term of the sequence formed by all three digits numbers which leave a reminder 3, when divided by 4....
posted Jan 30, 2018 by anonymous
  • algebra
  • mathematical
0 votes
If a^2−b^2=2352 and a^2+b^2=5090 then what is the value of 29ab?
posted Jan 30, 2018 by anonymous
  • algebra
  • mathematical
0 votes
If a^2−b^2=2352 and a^2+b^2=14210 then what is the value of 13ab?
posted Jan 23, 2018 by anonymous
  • mathematical
  • algebra
0 votes
a^2 + b^2 = ab, a = b = 0 satisfies the equation. But is there another pair of real numbers satisfying this equation? [MCQ]
posted Dec 15, 2017 by anonymous
  • algebra
0 votes
x, y, z are integer. How many solution for (x, y, z) we get from this equation: x.y.z=2017 [MCQ]
posted Nov 26, 2017 by anonymous
  • mathematical
  • algebra
0 votes
What is the smallest positive integer n such that x^n - 1 is factored into precisely five irreducible factors?
posted Nov 26, 2017 by anonymous
  • algebra
0 votes
How many apples were in the crate originally?
posted Nov 13, 2017 by Varuna Magar
  • logic
  • algebra
0 votes
If r is a root of the equation x^2 + 2x+6 = 0 then what is the value of (r+2)(r+3)(r+4)(r+5)?
posted Nov 12, 2017 by anonymous
  • algebra
0 votes
if a,b,c,d are positive real numbers and a^2+b^2=c^2+d^2=2 then what is the max value of ac+bd?
posted Nov 9, 2017 by anonymous
  • algebra
0 votes
What is the sum of all the real roots of the equation: |x−2|^2+|x−2|−2=0
posted Nov 6, 2017 by anonymous
  • algebra
  • mathematical
0 votes
Take number 1000 and then add 20 to it. Now add 1000 one more time. Now add 30. Now add.............What is the total?
posted Oct 11, 2017 by Tapesh Kulkarni
  • algebra
  • number puzzle
0 votes
What is the range of the values of k such that k Cos A - 3 Sin A = k + 1 has a real solution?
posted Oct 6, 2017 by anonymous
  • trignomatry
  • algebra
  • mathematical
0 votes
How many factors of ********** are perfect squares and which are those factors?
posted Sep 20, 2017 by anonymous
  • mathematical
  • algebra
  • number puzzle
0 votes
If a/b + b/a = 1 then what is the value of a^3 + b^3 = ?
posted Sep 7, 2017 by anonymous
  • logic
  • algebra
  • mathematical
0 votes
If x(x+y) = y(y+z) = z(z+x) and x,y,z are positive integers, then is it definitely true that x=y=z?
posted Sep 1, 2017 by anonymous
  • algebra
0 votes
Find the value of: (7)^1.35 * (13)^0.35 * (91)^0.65 = ?
posted Aug 18, 2017 by anonymous
  • algebra
  • logic
0 votes
If 273xy is divisible by 80 then what will be value of (x + y)?
posted Aug 7, 2017 by anonymous
  • algebra
  • number puzzle
0 votes
If x + 1/x = 4 then what is x^3 + 1/x^3 = ?
posted Aug 1, 2017 by anonymous
  • algebra
  • mathematical
0 votes
If 5^x * 2^3 = 36 then find 5^(x+1) =?
posted Jul 4, 2017 by anonymous
  • logic
  • mathematical
  • algebra
0 votes
Find the number of ordered pairs (x,y) satisfying the system of equations - a) x+y^2 = 12 b) x^2 + y = 12
posted Jun 27, 2017 by anonymous
  • mathematical
  • algebra
0 votes
If a + b + c = 8 and a.b.c = 27 then is there exist solution/s in (a,b,c) where a, b and c are positive real numbers?
posted Jun 16, 2017 by anonymous
  • algebra
  • number puzzle
0 votes
Find sum of all the positive integral values of x and y such that 2^x + 3^y is a perfect square?
posted Jun 9, 2017 by anonymous
  • algebra
  • mathematical
0 votes
Find the number of distinct fractions a/b, where both a & b are integers with 0<=a<=b<=50 and gcd(a,b) = 1?
posted Jun 9, 2017 by anonymous
  • algebra
  • mathematical
  • number puzzle
0 votes
Given that A is a matrix of order 5x3 and B is a matrix of order 3x5, then what is the value of |C| if A x B = C?
posted May 29, 2017 by anonymous
  • mathematical
  • algebra
  • matrix
0 votes
Which of the statements given is/are correct?
posted May 22, 2017 by anonymous
  • reasoning
  • logic
  • 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
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