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Post under tag algebra
Recent puzzles under tag algebra
Recent
MCQs
Unanswered
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Most answers
+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
+1
vote
If a,b and c are positive real numbers, such that (1+a)(1+b)(1+c) = 8 then the maximum value of a.b.c
posted
May 31, 2018
by
Varuna Magar
algebra
mathematical
+1
vote
If integers x and y are such that xy+1 is divisible by 24 then is x+y also divisible by 24?
posted
May 31, 2018
by
anonymous
algebra
logic
+1
vote
A circle of radius 1 is tangent to the parabola y=x^2 as shown. Find the gray area between the circle and the parabola?
posted
May 25, 2018
by
anonymous
geometry
mathematical
algebra
+1
vote
The temperature on a unit sphere x^2 + y^2 + z^2 = 1, is given by a temperature distribution T(x,y,z) = 50.(xy + yz)...
posted
May 24, 2018
by
Rahul Chandel
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
+1
vote
If a^b = 1; b^c = 2 and c^a = 3 and a,b,c are rational number then what is a + b + c = ?
posted
May 16, 2018
by
anonymous
algebra
mathematical
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
+2
votes
Find natural number n such that (5n)! has 2018 trailing 0's?
posted
Apr 30, 2018
by
anonymous
number puzzle
mathematical
algebra
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
+1
vote
If the difference between the roots of the equation x^2 + px + 8 = 0 is 2 then what is the possible value if P?
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
+1
vote
If a + b + c = 7, a^2 + b^2 + c^2= 35 and a^3 + b^3 + C^3 = 151 then find the value of abc?
posted
Apr 1, 2018
by
anonymous
algebra
logic
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