Most voted puzzles under tag algebra

+5 votes

If x + 1/x = 1 then what would be the value of x^(1729) + x^(-1729)

posted Dec 15, 2015 by anonymous

+3 votes

Use any mathematical symbols in the space provided to make the Algebraic expressions true?

posted Aug 18, 2016 by Atindra Kumar Nath

+3 votes

If 48^8 = 12^8 x 16^a then what would be the value of a?

posted Oct 7, 2014 by Dilbagh

+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

+2 votes

Find natural number n such that (5n)! has 2018 trailing 0's?

posted Apr 30, 2018 by anonymous

+2 votes

In a party of 100 people, 50 person do not prefer Veg, 60 prefer Non-veg and 10 do not prefer either Non-veg or Veg...

posted May 11, 2016 by anonymous

+2 votes

If 2^x = 3^y = 6 then which of the following statements is true?

posted Nov 18, 2015 by anonymous

+2 votes

If 1/x + 1/y = 1/3; 1/x + 1/z = 1/5; 1/y + 1/z = 1/7 then x/y = ??

posted Jun 13, 2015 by anonymous

+2 votes

If 31x + 30y + 29z =366 , find x+y+z ? (x,y,z are natural numbers)

posted May 13, 2015 by Ankit Kamboj

+2 votes

What will be sum of x and y if x,y are part of series 4, 16, 7, 49, 13, 169, x, y

posted Apr 28, 2015 by anonymous

+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

+2 votes

How many ways are there to pick 2 squares of different colors?

posted Mar 28, 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

+2 votes

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

posted Sep 28, 2014 by anonymous

+1 vote

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

posted Oct 9, 2020 by Pankaj Deshmukh

+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

+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

+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, 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

+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

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, 2019 by anonymous

+1 vote

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

posted Apr 3, 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

+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

+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

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

posted Oct 12, 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

+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

+1 vote

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

posted Jul 12, 2018 by Basabdatta Mukherjee

+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

+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

+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

+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

+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

+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

+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

+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

+1 vote

1/2! + 2/3! + 3/4! + 4/5! ...= ?

posted Mar 8, 2018 by anonymous

+1 vote

If a^b - c ^d = 2018 where a, b, c and d are distinct primes a<b and c < d then find a + b + c + d = ?

posted Mar 3, 2018 by anonymous

+1 vote

What is the value of (n!)^1/n where n tends to the infinity?

posted Feb 27, 2018 by anonymous

+1 vote

Initially, 60% of all attendees in a school party were girls. A while later, with 8 girls and 12 boys gone...

posted Feb 21, 2018 by anonymous

+1 vote

Below is a multiplication table up to y*y. Find y such that the sum of all the products in the table equals 44488900?

posted Feb 6, 2018 by anonymous

+1 vote

If 5.**********...=a/b then find the value of a and b?

posted Jan 30, 2018 by anonymous

+1 vote

Find the number of positive integral solutions for a,b,c such that a.b.c = 45?

posted Jan 11, 2018 by anonymous

+1 vote

True or False: 1/0! + 1/1! + 1/2! + 1/3!.... = 0/0! + 1/1! + 2/2! + 3/3!....

posted Jan 9, 2018 by anonymous

+1 vote

If C is coefficient of x^2 in the equation (1-x)(1+2x)(1-3x)(1+4x)...(1+14x)(1-15x) , fine the value of |C|

posted Jan 4, 2018 by anonymous