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Post under tag algebra
Recent puzzles under tag algebra
Recent
MCQs
Unanswered
Most votes
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Most answers
+1
vote
If 124 + 0 = 15; 246 + 0 = 32; 357 + 0 = 40 Then 468 + 0 = ?
posted
3 days
ago
by
Parampreet Kaur
number puzzle
mathematical
algebra
0
votes
How many pairs of positive integers (m, n) that satisfy mn + 3m - 8n = 59?
posted
Sep 30
by
anonymous
algebra
number puzzle
0
votes
What is the shortest distance between the circle x^2 + (y+6)^2 = 1 and the parabola y^2 = 8x?
posted
Sep 26
by
anonymous
algebra
+1
vote
If a^2 + b^2 + ab - b = 17, where a and b are integers, what is the sum of all possible values of a?
posted
Sep 4
by
anonymous
mathematical
algebra
0
votes
Find the smallest positive integer that is exactly half the sum of its proper divisors?
posted
Sep 3
by
anonymous
number puzzle
mathematical
algebra
0
votes
When x^9 - x is factorized as completely, how many factors are there?
posted
Aug 14
by
anonymous
algebra
mathematical
+1
vote
If there exists only one ordered pair of natural number (x, y) : x^3 - y^3 = xy + 61 then find xy?
posted
Jun 17
by
anonymous
algebra
mathematical
+1
vote
If (x)^(1/3) + (1/x)^(1/3)= 3 then x^3 + (1/x)^3 = ?
posted
Jun 17
by
anonymous
algebra
mathematical
0
votes
How many triples (a, b, c) of integers exists such that a^4 + b^3 = c^2
posted
Jun 17
by
anonymous
algebra
mathematical
0
votes
Give positive numbers a, b and c are such that ab + bc + ca + abc = 4, What is the value of 1/a+2 + 1/b+2 + 1/c+2 = ?
posted
Jun 6
by
Aman
mathematical
algebra
0
votes
How does a*b relates to a^2 and b^2 ?
posted
May 10
by
anonymous
logic
algebra
mathematical
0
votes
If x^3 -1 is a factor of x^6 + a.x^4 + b.x^3 + c.x^2 + 3x + 2 then find the value of ab + bc + ac?
posted
May 7
by
anonymous
mathematical
algebra
0
votes
How many bags did he use after the distribution?
posted
May 7
by
anonymous
logic
algebra
0
votes
A sequence contains terms that doesn't have any perfect square factors (except 1). 2, 3, 5, 6, 7, 10, 11, 13, 14, 15...
posted
May 7
by
anonymous
series
algebra
+1
vote
Given the natural numbers x and y satisfy (1 + x!)(1 + y!) = (x + y)! What is the value of x + y?
posted
Apr 30
by
anonymous
algebra
mathematical
+1
vote
Let Ln denote the arc length of the curve x^2n + y^2n = 1 where n is a positive integer. Find Lim (n->âˆž) Ln
posted
Apr 26
by
anonymous
algebra
0
votes
a,b,c,d are distinct pairwise co-prime +ve integers with a^2 + b^2 = c^2 + d^2, lowest possible value of a + b + c + d?
posted
Apr 26
by
anonymous
algebra
number puzzle
0
votes
A be a 2x3 matrix and B 3x2 matrix. If AxB and BxA both defined and determinant of matrix AxB is 4...
posted
Apr 3
by
anonymous
mathematical
matrix
algebra
+1
vote
A 50 digit number, divisible by 13 , is as follows
posted
Apr 3
by
anonymous
logic
mathematical
algebra
+2
votes
If a + b + ab = 2019, where a,b are positive integers, find the sum of all possible values of a ?
posted
Feb 4
by
anonymous
mathematical
algebra
+1
vote
Find a value of x where 4^x and 5^x consist of the same digits in different order
posted
Jan 17
by
Hanifa Mammadov
number puzzle
mathematical
algebra
+1
vote
Positive real numbers x and y are such that x^2 - 2x + 4y^2 = 0. Find the maximum value of xy?
posted
Dec 5, 2018
by
anonymous
algebra
mathematical
0
votes
How many factors of 953990136 are odd numbers?
posted
Nov 1, 2018
by
anonymous
algebra
number puzzle
mathematical
+1
vote
Does there exist a right triangle composed of rational side lengths that has an area of 5?
posted
Nov 1, 2018
by
anonymous
geometry
mathematical
algebra
+1
vote
Find the integer value of x for which the area of a triangle with sides 9, 40x and 41x is maximized?
posted
Nov 1, 2018
by
anonymous
geometry
algebra
0
votes
If one root of the polynomial equation x^3 + 4x^2 + x - 6 is 1, what are the other two roots?
posted
Oct 18, 2018
by
anonymous
algebra
0
votes
What is the result when x^3 - 3x^2 + 3x - 1 is divided by x - 1
posted
Oct 18, 2018
by
anonymous
algebra
0
votes
You have 10 positive integers that each have d digits. What is minimum number of digits the sum will have in terms of d?
posted
Oct 16, 2018
by
anonymous
algebra
mathematical
+1
vote
Find the value of n where (225)base n = 149
posted
Oct 12, 2018
by
anonymous
algebra
number puzzle
–1
vote
For n > 1 is there any number for which n! is a perfect square?
posted
Sep 21, 2018
by
anonymous
number puzzle
algebra
0
votes
1/x+1/3=1 find x
posted
Sep 20, 2018
by
Durga Srinu
algebra
0
votes
An infinite geometric series has sum 2014. If the sum of their squares is also 2014, find the first term?
posted
Sep 18, 2018
by
anonymous
mathematical
series
algebra
0
votes
What is the greatest number of pieces you can buy for exactly Rs 50/-?
posted
Sep 17, 2018
by
Harshita Dhaliwal
mathematical
algebra
+1
vote
If x=a+b+c then what is the value of (x-a)^3 + (x-b)^3 + (x-c)^3 - 3(x-a)(x-b)(x-c) = ?
posted
Sep 12, 2018
by
anonymous
algebra
mathematical
0
votes
How many days will 5 men and 15 women take to do it?
posted
Sep 4, 2018
by
Mishthy Mukherjee
mathematical
algebra
+1
vote
How do I write x times 7 is greater than or equal to 17 in algebraic expression?
posted
Aug 26, 2018
by
anonymous
algebra
mathematical
0
votes
If one root of equation 5x^2 +13x + k = 0 is reciprocal of the other root, then what is the value of k?
posted
Aug 26, 2018
by
anonymous
algebra
0
votes
If log3 y = x and log2 z = x, then 72^x = ?
posted
Aug 26, 2018
by
anonymous
algebra
0
votes
Next three consecutive positive integers (after 1,2,3) where sum of individual cubes is equal to a perfect square?
posted
Aug 16, 2018
by
anonymous
number puzzle
mathematical
algebra
0
votes
If x, y, z are natural numbers, then how many number of different solutions of the equation x+y+z=6 are possible?
posted
Aug 6, 2018
by
anonymous
mathematical
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
+1
vote
How many days will 15 women and 5 men take to do it?
posted
Jul 12, 2018
by
Basabdatta Mukherjee
mathematical
algebra
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 1907980272 are even numbers?
posted
Jun 7, 2018
by
anonymous
mathematical
algebra
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