Most viewed puzzles under tag algebra

0 votes

posted Mar 16, 2017 by anonymous

0 votes

If the centroid of a triangle is formed by the points (a,b), (b,c) and (c,a) is at the origin; then a^3 + b^3 + c^3 = ??

posted Mar 2, 2016 by anonymous

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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 9^(3-x) = 81^(4-2x) , then what would be the value of x?

posted Sep 27, 2014 by Deepak Chitragar

+1 vote

My ones is one more than my tens. My tens digit is 0. My hundred is 4 more than my ones. What number am I?

posted Jul 23, 2015 by Melchor Aquino Gasmen

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If we know x + 1/x =2 then what would be the value of x^2048 + 1/x^2048 +x^2047 - 1 / x^2047 + 1/x^2049 - x^2049 +2

posted Dec 10, 2015 by anonymous

+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

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If a × b × v × d × e = 1 and a,b v,d,e are all positive real numbers; what is the minimum value of a+b+c+d+e?

posted Feb 25, 2016 by Milli Edwards

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Find 9 odd numbers whose sum is 199?

posted Aug 8, 2016 by anonymous

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What is the remainder in terms of x when x^1999 is divided by (x^2 - 1)?

posted Apr 1, 2018 by anonymous

+1 vote

x and y are 2 digit numbers where y is obtained by reversing x. If x^2 - y^2 = m^2 then find the value of x+y+m?

posted May 22, 2017 by anonymous

+1 vote

If ONE = $1, TWO = $2 and ELEVEN = $11 then what will be the worth of TWELVE?

posted Apr 30, 2017 by Tejas Naik

0 votes

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

posted Aug 26, 2018 by anonymous

+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

+2 votes

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

posted Sep 28, 2014 by anonymous

–1 vote

Boy 1.4m tall casts a shadow 1.2m long at a time when building casts a shadow 5.4m long. What is height of building?

posted Mar 12, 2015 by Tapesh Kulkarni

0 votes

Linear algebra: What is the value of x if "1/2 + 2/5x = x - 3/4"

posted Oct 25, 2016 by George Davros

+1 vote

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

posted Feb 27, 2018 by anonymous

0 votes

An arithmetic sequence formed of 11 terms, and the sum of all its terms equals to 220. Find the middle term?

posted May 27, 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

0 votes

Find the remainder when 23^23 is divided by 53?

posted Mar 12, 2018 by anonymous

+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

Find the positive integer x that satisfies the following equation -

posted Jan 16, 2016 by anonymous

+1 vote

Solve algebra rebus ?

posted Aug 5, 2015 by Rajni

0 votes

What would be the value of x if ---- log_2 x + log_2 sqrt(x) + log_2 sqrt(sqrt(x)) + log_2 sqrt(sqrt(sqrt(x))) .....= 4

posted Dec 16, 2015 by Kuldeep Apte

0 votes

If X - Y = XY = 10 then find the value of X^4 + Y^4

posted May 4, 2017 by anonymous

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What is the largest prime factor of 2017! + 2018! + 2019!

posted Mar 16, 2017 by anonymous

0 votes

What is the domain of the function log(log(sinx))?

posted May 2, 2018 by anonymous

+1 vote

If car A stops after 35 miles, how long will it take car B to catch up?

posted Oct 3, 2014 by Akriti

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Positive integer N leaves same remainder 35 when divided by both 2009 & 2010. What is remainder if N is divided by 42?

posted Feb 8, 2017 by anonymous

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If a and b are real numbers that satisfy the equation below, what is the value of a and b respectively?

posted Jul 9, 2015 by anonymous

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How many integer solutions are there to the system of following equations: x^2+y-z = 42; x+y^2-z = 18

posted Feb 26, 2017 by anonymous

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There are 5 eligible Gujarati grooms of which 2 know Bengali and 5 eligible Bengali grooms of which 3 know Gujarati...

posted Aug 9, 2016 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

0 votes

Solve for x, y, and z in the following equation: x29 + y30 + z31 = 366.

posted Sep 4, 2016 by George Davros

–1 vote

What is the value of x which satisfies the following equation?

posted Mar 14, 2015 by Tapesh Kulkarni

+1 vote

Find the number of Onto functions ?

posted Jun 5, 2015 by Ankit Kamboj

+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

+1 vote

Can you find digits that make equations true in the following alphametic puzzles (cryptarithms)?

posted Sep 12, 2014 by anonymous

0 votes

Find the minimum value of n such that the equation 10^n/x = 1989 has an integer solution x where n is a natural number?

posted Apr 25, 2018 by anonymous

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If 3^(x - y) = 81 and 3^(x + y) = 729 find value of x*y

posted Apr 21, 2017 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

What is the weight of the melted mixture?

posted Jan 7, 2016 by Atindra Kumar Nath

0 votes

Which of the statements given is/are correct?

posted May 22, 2017 by anonymous

0 votes

If r is a root of the equation x^2 + 2x+6 = 0 then what is the value of (r+2)(r+3)(r+4)(r+5)?

posted Nov 12, 2017 by anonymous

0 votes

if a,b,c,d are positive real numbers and a^2+b^2=c^2+d^2=2 then what is the max value of ac+bd?

posted Nov 9, 2017 by anonymous

+2 votes

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

posted Mar 28, 2015 by anonymous

0 votes

How many positive integers n have the property that the remainder of dividing 2003 by n is equal to 23?

posted May 15, 2017 by Pushpak Chauhan

0 votes

Find the number of ordered pairs (x,y) satisfying the system of equations - a) x+y^2 = 12 b) x^2 + y = 12

posted Jun 27, 2017 by anonymous