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Post under tag algebra
Most answered puzzles under tag algebra
Recent
MCQs
Unanswered
Most votes
Most views
Most answers
+1
vote
There is a 3 digit positive number such that sum of all its digits is equal to 6. How many such number are possible?
posted
Aug 13, 2015
by
anonymous
mathematical
permutation
algebra
0
votes
If x + 1/x = 5 then x^2 + 1/x^2 = ??
posted
Aug 7, 2015
by
anonymous
mathematical
algebra
+1
vote
If abcde=1; and a,b,c,d and e are all positive real numbers then what is the minimum value of a+b+c+d+e?
posted
Jun 7, 2015
by
anonymous
algebra
mathematical
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
–3
votes
If x = 29y+7 and x-y is divisible by 5, then what is the possible value of y where x and y both are integers?
posted
May 29, 2015
by
Atif
mathematical
algebra
–1
vote
which three odd numbers will sum up to 30
posted
May 24, 2015
by
Baadu Daniel
algebra
mathematical
+2
votes
If 1/x + y/2 = z/3 + 4/k then what woud be minimum integral value of k for integral value of x, y and z.
posted
Apr 1, 2015
by
anonymous
mathematical
algebra
+1
vote
7 multiple of a two digit number is a perfect square. What will be the Sum of all such possible two digit numbers?
posted
Mar 29, 2015
by
Salil Agrawal
mathematical
algebra
+1
vote
17% of 17 + 18% of 18 = 19% of x then x is lying in the range
posted
Mar 6, 2015
by
anonymous
mathematical
algebra
+2
votes
If x (x^2+6x+18)(x+6) = 159919 then what would be (x+4)^4
posted
Jan 15, 2015
by
anonymous
mathematical
algebra
+2
votes
If 8^m = 32 then what is the value of m?
posted
Oct 10, 2014
by
anonymous
algebra
mathematical
0
votes
If a(b+c) = 32, b(c+a) = 65, c(a+b) = 77 then find the value of a*b*c
posted
Oct 6, 2014
by
Mridul
algebra
mathematical
+2
votes
If 4^x = .5 them x=??
posted
Sep 28, 2014
by
anonymous
mathematical
algebra
0
votes
If 7 goats need 7 days to eat up 7 grass fields. How long it would take for 5 goats to eat up 5 grass fields?
posted
Sep 25, 2014
by
anonymous
mathematical
algebra
0
votes
A number (x) is 3 less than the thrice of other number (y) and sum............What is the value of x and y respectively?
posted
Jul 22, 2021
by
Varun Kumar
mathematical
algebra
+1
vote
If 6x - 4y = 8; 8x = 5y + 13 Then what is the value of 6x - 3y?
posted
Oct 9, 2020
by
Pankaj Deshmukh
mathematical
algebra
0
votes
What is the product of sum of roots and product of roots of below quadratic equation : x2 - 5x + 6 = 0
posted
Jun 30, 2020
by
Pankaj Deshmukh
algebra
mathematical
0
votes
What is the minimum possible value of p?
posted
Apr 20, 2020
by
Dilbagh
mathematical
algebra
+1
vote
Suppose: ax + by = 5; ax2 + by2 = 10; ax3 + by3 = 50; ax4 + by4 = 130; then calculate the value of below equation?
posted
Apr 14, 2020
by
Ankur Athari
algebra
mathematical
0
votes
Given that (3x - 8) * (3x + 2) - (4x - 11) * (2x + 1) = (x - 3) (x + 7). What is the value of 9x?
posted
Jan 9, 2020
by
Mridul
mathematical
algebra
0
votes
If x + y + z = 9 and xy + yz + zx = 20, find the value of x^3 + y^3 + z^3 - 3xyz.
posted
Jan 8, 2020
by
Vishal
mathematical
algebra
+1
vote
If 124 + 0 = 15; 246 + 0 = 32; 357 + 0 = 40 Then 468 + 0 = ?
posted
Oct 18, 2019
by
Parampreet Kaur
number puzzle
mathematical
algebra
+1
vote
How many pairs of positive integers (m, n) that satisfy mn + 3m - 8n = 59?
posted
Sep 30, 2019
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, 2019
by
anonymous
algebra
0
votes
Find the smallest positive integer that is exactly half the sum of its proper divisors?
posted
Sep 3, 2019
by
anonymous
number puzzle
mathematical
algebra
0
votes
When x^9 - x is factorized as completely, how many factors are there?
posted
Aug 14, 2019
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, 2019
by
anonymous
algebra
mathematical
+1
vote
If (x)^(1/3) + (1/x)^(1/3)= 3 then x^3 + (1/x)^3 = ?
posted
Jun 17, 2019
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, 2019
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, 2019
by
Aman
mathematical
algebra
0
votes
How does a*b relates to a^2 and b^2 ?
posted
May 10, 2019
by
anonymous
logic
algebra
mathematical
0
votes
How many bags did he use after the distribution?
posted
May 7, 2019
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, 2019
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, 2019
by
anonymous
algebra
mathematical
+1
vote
A 50 digit number, divisible by 13 , is as follows
posted
Apr 3, 2019
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, 2019
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, 2019
by
Hanifa Mammadov
number puzzle
mathematical
algebra
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
–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
+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
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
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