Most answered puzzles under tag algebra

+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

0 votes

If x + 1/x = 5 then x^2 + 1/x^2 = ??

posted Aug 7, 2015 by anonymous

+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

0 votes

If half of sqrt(2) is sqrt(K) then what is the value of K?

posted May 31, 2015 by anonymous

–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

–1 vote

which three odd numbers will sum up to 30

posted May 24, 2015 by Baadu Daniel

+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

+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

+1 vote

17% of 17 + 18% of 18 = 19% of x then x is lying in the range

posted Mar 6, 2015 by anonymous

+2 votes

If x (x^2+6x+18)(x+6) = 159919 then what would be (x+4)^4

posted Jan 15, 2015 by anonymous

+2 votes

If 8^m = 32 then what is the value of m?

posted Oct 10, 2014 by anonymous

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

+2 votes

If 4^x = .5 them x=??

posted Sep 28, 2014 by anonymous

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

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

+1 vote

If 6x - 4y = 8; 8x = 5y + 13 Then what is the value of 6x - 3y?

posted Oct 9, 2020 by Pankaj Deshmukh

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

0 votes

What is the minimum possible value of p?

posted Apr 20, 2020 by Dilbagh

+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

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

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

+1 vote

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

posted Oct 18, 2019 by Parampreet Kaur

+1 vote

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

posted Sep 30, 2019 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, 2019 by anonymous

0 votes

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

posted Sep 3, 2019 by anonymous

0 votes

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

posted Aug 14, 2019 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, 2019 by anonymous

+1 vote

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

posted Jun 17, 2019 by anonymous

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

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

0 votes

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

posted May 10, 2019 by anonymous

0 votes

How many bags did he use after the distribution?

posted May 7, 2019 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, 2019 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, 2019 by anonymous

+1 vote

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

posted Apr 3, 2019 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, 2019 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, 2019 by Hanifa Mammadov

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

–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

+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

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