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Post under tag algebra
Recent puzzles under tag
algebra
Recent
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Unanswered
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+1
vote
Initially, 60% of all attendees in a school party were girls. A while later, with 8 girls and 12 boys gone...
posted
23 hours
ago
by
anonymous
logic
algebra
+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
by
anonymous
logic
algebra
0
votes
Find the middle term of the sequence formed by all three digits numbers which leave a reminder 3, when divided by 4....
posted
Jan 30
by
anonymous
algebra
mathematical
+1
vote
If 5.23457457457...=a/b then find the value of a and b?
posted
Jan 30
by
anonymous
algebra
mathematical
0
votes
If a^2âˆ’b^2=2352 and a^2+b^2=5090 then what is the value of 29ab?
posted
Jan 30
by
anonymous
algebra
mathematical
0
votes
If a^2âˆ’b^2=2352 and a^2+b^2=14210 then what is the value of 13ab?
posted
Jan 23
by
anonymous
mathematical
algebra
+1
vote
Find the number of positive integral solutions for a,b,c such that a.b.c = 45?
posted
Jan 11
by
anonymous
algebra
mathematical
+1
vote
True or False: 1/0! + 1/1! + 1/2! + 1/3!.... = 0/0! + 1/1! + 2/2! + 3/3!....
posted
Jan 9
by
anonymous
mathematical
algebra
+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
by
anonymous
algebra
+1
vote
x is a positive integer such that the sum of its digits times 5 equals itself. What is x?
posted
Dec 15, 2017
by
anonymous
number puzzle
algebra
0
votes
a^2 + b^2 = ab, a = b = 0 satisfies the equation. But is there another pair of real numbers satisfying this equation? [MCQ]
posted
Dec 15, 2017
by
anonymous
algebra
0
votes
x, y, z are integer. How many solution for (x, y, z) we get from this equation: x.y.z=2017 [MCQ]
posted
Nov 26, 2017
by
anonymous
mathematical
algebra
0
votes
What is the smallest positive integer n such that x^n - 1 is factored into precisely five irreducible factors?
posted
Nov 26, 2017
by
anonymous
algebra
0
votes
How many apples were in the crate originally?
posted
Nov 13, 2017
by
Varuna Magar
logic
algebra
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
algebra
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
algebra
0
votes
What is the sum of all the real roots of the equation: |xâˆ’2|^2+|xâˆ’2|âˆ’2=0
posted
Nov 6, 2017
by
anonymous
algebra
mathematical
0
votes
Take number 1000 and then add 20 to it. Now add 1000 one more time. Now add 30. Now add.............What is the total?
posted
Oct 11, 2017
by
Tapesh Kulkarni
algebra
number puzzle
0
votes
What is the range of the values of k such that k Cos A - 3 Sin A = k + 1 has a real solution?
posted
Oct 6, 2017
by
anonymous
trignomatry
algebra
mathematical
0
votes
How many factors of 82044596000 are perfect squares and which are those factors?
posted
Sep 20, 2017
by
anonymous
mathematical
algebra
number puzzle
0
votes
If a/b + b/a = 1 then what is the value of a^3 + b^3 = ?
posted
Sep 7, 2017
by
anonymous
logic
algebra
mathematical
+1
vote
If x^3+y^3+z^3 = x^2+y^2+z^2 = x+y+z = 1 then what would be the max value of xyz?
posted
Sep 7, 2017
by
anonymous
algebra
mathematical
0
votes
If x(x+y) = y(y+z) = z(z+x) and x,y,z are positive integers, then is it definitely true that x=y=z?
posted
Sep 1, 2017
by
anonymous
algebra
0
votes
Find the value of: (7)^1.35 * (13)^0.35 * (91)^0.65 = ?
posted
Aug 18, 2017
by
anonymous
algebra
logic
0
votes
If 273xy is divisible by 80 then what will be value of (x + y)?
posted
Aug 7, 2017
by
anonymous
algebra
number puzzle
0
votes
If x + 1/x = 4 then what is x^3 + 1/x^3 = ?
posted
Aug 1, 2017
by
anonymous
algebra
mathematical
+1
vote
How many factors of 878800000 are perfect squares and which are those factors?
posted
Jul 19, 2017
by
anonymous
mathematical
algebra
number puzzle
0
votes
If 5^x * 2^3 = 36 then find 5^(x+1) =?
posted
Jul 4, 2017
by
anonymous
logic
mathematical
algebra
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
mathematical
algebra
0
votes
If a + b + c = 8 and a.b.c = 27 then is there exist solution/s in (a,b,c) where a, b and c are positive real numbers?
posted
Jun 16, 2017
by
anonymous
algebra
number puzzle
0
votes
Find sum of all the positive integral values of x and y such that 2^x + 3^y is a perfect square?
posted
Jun 9, 2017
by
anonymous
algebra
mathematical
0
votes
Find the number of distinct fractions a/b, where both a & b are integers with 0<=a<=b<=50 and gcd(a,b) = 1?
posted
Jun 9, 2017
by
anonymous
algebra
mathematical
number puzzle
0
votes
Given that A is a matrix of order 5x3 and B is a matrix of order 3x5, then what is the value of |C| if A x B = C?
posted
May 29, 2017
by
anonymous
mathematical
algebra
matrix
0
votes
Which of the statements given is/are correct?
posted
May 22, 2017
by
anonymous
reasoning
logic
algebra
+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
mathematical
algebra
logic
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
algebra
logic
0
votes
If x+1/x=-1 then x^2016+1/x^2016=?
posted
May 7, 2017
by
anonymous
number puzzle
algebra
0
votes
Find the angle in which these two curves intersect each other: 1) xy=1 2) x^2-y^2=1
posted
May 4, 2017
by
anonymous
algebra
mathematical
0
votes
If X - Y = XY = 10 then find the value of X^4 + Y^4
posted
May 4, 2017
by
anonymous
algebra
mathematical
+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
algebra
logic
0
votes
If a+b+c=1 where a,b,c are non negative real number then find the maximum value of 10101(ab+bc+ca) - 12987abc
posted
Apr 22, 2017
by
anonymous
algebra
mathematical
0
votes
If 3^(x - y) = 81 and 3^(x + y) = 729 find value of x*y
posted
Apr 21, 2017
by
anonymous
algebra
0
votes
What is the remainder when 32^32^32 is divided by 9?
posted
Apr 20, 2017
by
anonymous
number puzzle
logic
algebra
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
logic
algebra
0
votes
If polynomial f(x)+f(2x+y)+5x= f(3x-y)+2x^2+1 where x and y are real numbers, then determine value of f(10)?
posted
Apr 17, 2017
by
anonymous
algebra
mathematical
0
votes
If x + x^3 + x^9 + x^27 + x^81 + x^243 gives a reminder of ax+b when divided by x^2 - 1 then what is the value of a + b?
posted
Apr 17, 2017
by
anonymous
algebra
mathematical
0
votes
Which is the largest 5 digit number which is divisible by 18, 26 and 35?
posted
Apr 11, 2017
by
anonymous
number puzzle
algebra
mathematical
0
votes
If log4 + log(17x+1) = log(3x+7) - 0^(0!) + 0^(0) + 9 Mod 11 - 243 Mod 13 , then value of x is ?
posted
Apr 5, 2017
by
anonymous
algebra
0
votes
Which is the smallest number of five digits which is divisible by 15, 27 and 35?
posted
Mar 28, 2017
by
anonymous
mathematical
algebra
+1
vote
If N! = S where S is total number of seconds in six weeks then what is the value of N?
posted
Mar 21, 2017
by
anonymous
algebra
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