Most viewed puzzles under tag algebra

+1 vote

If SQRT(x+15) + SQRT(x)=15 then find the value of x.

posted Jan 29, 2017 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

0 votes

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

posted Aug 7, 2015 by anonymous

0 votes

If a+b=8, a+c=13, b+d=8 and c-d=6 Then what would be the value of a, b, c, d?

posted Sep 10, 2016 by anonymous

+1 vote

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

posted Oct 12, 2018 by anonymous

0 votes

How many integer values of x and y are there such that 4x + 7y= 3 , while |x|<500 and |y|<500 ?

posted May 19, 2015 by Ankit Kamboj

+5 votes

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

posted Dec 15, 2015 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

0 votes

If x + y = 7 and x^3 + y^3 = 133 then xy=??

posted Jun 17, 2015 by anonymous

+1 vote

If 2^(x) = 4^(y) = 8^(z) and 1/(2x) + 1/(4y) + 1/(4z) = 4 then what is the value of x?

posted Dec 1, 2015 by anonymous

0 votes

If f(x)= 25^x / ( 25^x + 5 ) then find f(1/99) + f(2/99) + f(3/99) ..... + f(98/99)?

posted May 12, 2015 by Ankit Kamboj

+2 votes

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

posted Oct 10, 2014 by anonymous

0 votes

What is the reminder when 2^123456789 is divided by 7?

posted May 20, 2015 by Harshita Dhaliwal

0 votes

What is the remainder when 32^32^32 is divided by 9?

posted Apr 20, 2017 by anonymous

0 votes

In a village there are 4 mansions located at a different Distance from each other.

posted Oct 28, 2016 by anonymous

+1 vote

How many patients will consume 1710 litres of milk in 28 days.

posted Oct 30, 2014 by anonymous

0 votes

Which is greater 70^71 or 71^70?

posted Aug 16, 2015 by anonymous

+1 vote

If 6xy + 10x +15y = 39 then find the minimum value of 2x+3y (x, y are positive and real)?

posted May 12, 2015 by Ankit Kamboj

0 votes

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of following: 21 Q 7 R 9 S 10 P 13

posted Aug 3, 2015 by Madhavi Latha

0 votes

If 273xy is divisible by 80 then what will be value of (x + y)?

posted Aug 7, 2017 by anonymous

+1 vote

What would be the roots of the equation 4^x - 3.2^(x+2) + 32 = 0

posted Apr 12, 2016 by anonymous

0 votes

The sum of 3 single digit numbers is 15 less than their product . If we subtract 2 from first given number then...

posted Sep 17, 2015 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

+1 vote

A reduction of 20% in the price of rice enables a man to buy 3.5 kg more for 630 rupees. Find original price?

posted Oct 14, 2014 by anonymous

0 votes

If x+1/x=-1 then x^2016+1/x^2016=?

posted May 7, 2017 by anonymous

+1 vote

In a class consisting of 100 students 20 know English and 20 do not know Hindi and 10 know neither English nor Hindi...

posted Oct 6, 2015 by anonymous

–1 vote

which three odd numbers will sum up to 30

posted May 24, 2015 by Baadu Daniel

0 votes

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

posted Jul 10, 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

+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 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 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

+1 vote

A number when divided by 187 leaves a reminder 62. What will be the reminder when 17 divides that number?

posted Jan 7, 2016 by Abhishek Maheshwari

+1 vote

Guess me : ENEMY = 2 * LINK LINK + 2 = HELL Then what will be TAXI + HELL?

posted May 5, 2015 by Divya Bharti

0 votes

The function f (x) = | x - 2 | + | 2.5 - x| + |3.6 -x|, where x is a real number, attains a minimum at ??

posted Jun 1, 2015 by Ankit Kamboj

+1 vote

x, y, z are 3 nonzero positive int such that x+y+z = 8 and xy+yz+zx = 20, then what will be minimum value of x*y^2*z^2

posted Mar 20, 2015 by anonymous

+3 votes

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

posted Oct 7, 2014 by Dilbagh

+1 vote

If the sum of two numbers is 11, and the sum of their squares is 99, find the sum of their cubes.

posted Sep 3, 2015 by Upma

0 votes

How many elements of the set {1!, 2!, 3!, ....2015!} are even numbers?

posted Jul 13, 2015 by Salil Agrawal

+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

+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

0 votes

Can you solve the below Algebraic equation?

posted Feb 14, 2020 by Varun Kumar

+2 votes

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

posted Nov 18, 2015 by anonymous

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 remainder when 19^92 is divided by 92?

posted Mar 12, 2018 by anonymous

+1 vote

Given that x+y =7 and xy=2 then x^2-y^2=?? whereas (x>y)

posted Jul 7, 2016 by anonymous

0 votes

What is the reminder when 1^7 + 2^7 + 3^7 ....100^7 is divided by 4?

posted Apr 20, 2017 by anonymous

0 votes

If a/b + b/a = 1 then what is the value of a^3 + b^3 = ?

posted Sep 7, 2017 by anonymous

+1 vote

Find the value of A+B if A*(4+(B/100))=108.81

posted Jan 2, 2015 by anonymous

0 votes

What is the correct value of 3^2^85 = ?

posted Mar 16, 2017 by anonymous