Recent puzzles under tag algebra

+1 vote

If 124 + 0 = 15; 246 + 0 = 32; 357 + 0 = 40 Then 468 + 0 = ?

posted 3 days ago by Parampreet Kaur

0 votes

How many pairs of positive integers (m, n) that satisfy mn + 3m - 8n = 59?

posted Sep 30 by anonymous

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

+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

0 votes

Find the smallest positive integer that is exactly half the sum of its proper divisors?

posted Sep 3 by anonymous

0 votes

When x^9 - x is factorized as completely, how many factors are there?

posted Aug 14 by anonymous

+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

+1 vote

If (x)^(1/3) + (1/x)^(1/3)= 3 then x^3 + (1/x)^3 = ?

posted Jun 17 by anonymous

0 votes

How many triples (a, b, c) of integers exists such that a^4 + b^3 = c^2

posted Jun 17 by anonymous

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

0 votes

How does a*b relates to a^2 and b^2 ?

posted May 10 by anonymous

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

0 votes

How many bags did he use after the distribution?

posted May 7 by anonymous

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

+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

+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->∞) Ln

posted Apr 26 by anonymous

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

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

+1 vote

A 50 digit number, divisible by 13 , is as follows

posted Apr 3 by anonymous

+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

+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

+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

0 votes

How many factors of 953990136 are odd numbers?

posted Nov 1, 2018 by anonymous

+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

+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

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

0 votes

What is the result when x^3 - 3x^2 + 3x - 1 is divided by x - 1

posted Oct 18, 2018 by anonymous

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

+1 vote

Find the value of n where (225)base n = 149

posted Oct 12, 2018 by anonymous

–1 vote

For n > 1 is there any number for which n! is a perfect square?

posted Sep 21, 2018 by anonymous

0 votes

1/x+1/3=1 find x

posted Sep 20, 2018 by Durga Srinu

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

0 votes

What is the greatest number of pieces you can buy for exactly Rs 50/-?

posted Sep 17, 2018 by Harshita Dhaliwal

+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

0 votes

How many days will 5 men and 15 women take to do it?

posted Sep 4, 2018 by Mishthy Mukherjee

+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

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

0 votes

If log3 y = x and log2 z = x, then 72^x = ?

posted Aug 26, 2018 by anonymous

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

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

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

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

+1 vote

How many days will 15 women and 5 men take to do it?

posted Jul 12, 2018 by Basabdatta Mukherjee

0 votes

If A = 3 and B = 4 + i, A/B = ?

posted Jul 10, 2018 by anonymous

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

0 votes

How many boys and girls were in the group?

posted Jul 5, 2018 by Tapesh Kulkarni

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

0 votes

What is the value of X?

posted Jun 15, 2018 by Aman

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

0 votes

How many factors of 1907980272 are even numbers?

posted Jun 7, 2018 by anonymous