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Post under tag algebra
Recent puzzles under tag algebra
Recent
MCQs
Unanswered
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0
votes
Find the number of positive integral ordered pairs a, b satisfying the equation a^b + b^a = 100
posted
Jun 16
by
anonymous
algebra
0
votes
What is the value of X?
posted
Jun 15
by
Aman
mathematical
algebra
0
votes
If a^2 + b^2 + C^2 = 9 then what is the max value of 2(a + b + c) - abc where a,b,c are real numbers?
posted
Jun 7
by
anonymous
algebra
mathematical
0
votes
How many factors of 1907980272 are even numbers?
posted
Jun 7
by
anonymous
mathematical
algebra
+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
by
Varuna Magar
algebra
mathematical
0
votes
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
by
anonymous
algebra
logic
+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
by
anonymous
geometry
mathematical
algebra
+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
by
Rahul Chandel
mathematical
algebra
0
votes
If log 27 = 1.935, then what is the value of log 9
posted
May 23
by
anonymous
algebra
mathematical
0
votes
What would be the sum of all positive integers n such that 20n and 5n+275 both are perfect squares?
posted
May 21
by
Samardeep Acharya
algebra
mathematical
0
votes
If A != B and A^n + B^n is an integer for all positive integers n, must A and B both be the integers? [MCQ]
posted
May 17
by
Mohammad
number puzzle
mathematical
logic
algebra
0
votes
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
by
anonymous
algebra
mathematical
0
votes
What is the least positive integer n such that n!(n+1)!(2n+1)! - 1 yields a number ending with thirty digits of 9's?
posted
May 3
by
anonymous
number puzzle
algebra
0
votes
What is the domain of the function log(log(sinx))?
posted
May 2
by
anonymous
algebra
mathematical
+2
votes
Find natural number n such that (5n)! has 2018 trailing 0's?
posted
Apr 30
by
anonymous
number puzzle
mathematical
algebra
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
by
anonymous
number puzzle
mathematical
algebra
0
votes
What is the coefficient of x^203 in the expression: (x-1)(x^2-2)(x^3-3)...(x^20-20)
posted
Apr 22
by
anonymous
algebra
0
votes
Find the value of each and then find the value of the missing number.
posted
Apr 19
by
Akriti
logic
visual
algebra
0
votes
A line makes angles A, B, C, D with four diagonals of a cube, then find value of Cos^2 A + Cos^2 B + Cos^2 C + Cos^2 D
posted
Apr 7
by
anonymous
algebra
geometry
0
votes
Let a1 and a2 be the roots of equation (x- a)(x - b) = c then what are the roots of equation (x - a1)(x - a2) + c = 0?
posted
Apr 1
by
anonymous
algebra
+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
by
anonymous
algebra
0
votes
What is the remainder in terms of x when x^1999 is divided by (x^2 - 1)?
posted
Apr 1
by
anonymous
algebra
logic
+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
by
anonymous
algebra
logic
+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
by
anonymous
mathematical
algebra
0
votes
Find the remainder when 23^23 is divided by 53?
posted
Mar 12
by
anonymous
number puzzle
algebra
0
votes
If 2014 ^ 2014 mod 7 = n mod 7 where 0<= n <= 7 then what is n?
posted
Mar 12
by
anonymous
number puzzle
algebra
logic
0
votes
What is the remainder when 19^92 is divided by 92?
posted
Mar 12
by
anonymous
number puzzle
logic
algebra
0
votes
Area bounced by the curve xy^2=a^2 between (a-x) and y-axis?
posted
Mar 9
by
Bharadwaj Dasu
mathematical
algebra
+1
vote
1/2! + 2/3! + 3/4! + 4/5! ...= ?
posted
Mar 8
by
anonymous
mathematical
algebra
+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
by
anonymous
algebra
mathematical
+1
vote
What is the value of (n!)^1/n where n tends to the infinity?
posted
Feb 27
by
anonymous
number puzzle
algebra
+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
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^2−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^2−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: |x−2|^2+|x−2|−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
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