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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
Find a value of x where 4^x and 5^x consist of the same digits in different order
posted
1 day
ago
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
+1
vote
L.C.M of two numbers is 156 and their H.C.F is 2. If the sum of the numbers is 38, then what is their difference?
posted
Mar 13, 2018
by
anonymous
mathematical
algebra
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