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Recent puzzles without answers

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, 2018 by anonymous
  • algebra
0 votes
I'm Apple of this very country. Some sort of politeness we will all share, will we? Surprise itself is inferior to me...
posted Apr 17, 2018 by anonymous
  • riddle
+2 votes
What would be the coordinate of point P which divides the line joining A(-4,1) and B (17,10) in the ratio 1:2?
posted Apr 9, 2018 by Brijesh Makwana
  • mathematical
  • coordinate geometry
  • ratio
+1 vote
If the radius of the circular sector is 100 units in the given image then what is the side length of the square ?
posted Apr 7, 2018 by anonymous
  • mathematical
  • geometry
  • logic
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, 2018 by anonymous
  • algebra
  • geometry
+1 vote
The following definitions are for words that appear to have prefixes that lead to those improper definitions.
posted Apr 5, 2018 by Atif
  • vocabulary
  • english
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, 2018 by anonymous
  • algebra
0 votes
There are two circular concentric rings, with 26 sectors on each ring marked A to Z...
posted Apr 1, 2018 by anonymous
  • logic
+1 vote
What are the transformations of these sentences?
posted Apr 1, 2018 by Yasin Hossain Siinan
  • english
0 votes
In triangle ABC, reflection of triangle ABC's incenter over its side AB is its circumcenter. Find angle C in degrees?
posted Mar 27, 2018 by anonymous
  • geometry
  • mathematical
0 votes
Determine the number of triangles in a 15-gon?
posted Mar 22, 2018 by anonymous
  • geometry
0 votes
Only a small space and a single mark turns a deadly situation into a funny one. What can that be?
posted Mar 21, 2018 by Samardeep Acharya
  • logic
  • riddle
0 votes
Quadrilateral ABCD has following properties: Angle B and D are each right angle, AB and BC has the same length 1 unit..
posted Mar 20, 2018 by anonymous
  • geometry
  • logic
0 votes
A star in a square: What is the sum of the areas of the yellow regions?
posted Mar 20, 2018 by anonymous
  • geometry
  • mathematical
0 votes
Area bounced by the curve xy^2=a^2 between (a-x) and y-axis?
posted Mar 9, 2018 by Bharadwaj Dasu
  • mathematical
  • algebra
+1 vote
Are there 5 different positive primes such that the sum of any three of them is a prime?
posted Mar 8, 2018 by anonymous
  • logic
  • number puzzle
0 votes
Replace the question mark with the correct number.
posted Mar 5, 2018 by Ujjwal Mehra
  • logic
  • mathematical
  • number puzzle
+2 votes
10-2=33 logic
posted Mar 4, 2018 by Philip Pk
  • logic
  • 10-2=33
+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
  • algebra
  • mathematical
0 votes
Using the usual coins in circulation how many ways can you make 6Rs?
posted Mar 3, 2018 by anonymous
  • permutation
  • mathematical
  • logic
0 votes
4 solid spheres of radius 1 m, 2 solid cylinders of radius 4 m, height 2 meter and 1 solid cone of radius 2 m...
posted Feb 28, 2018 by anonymous
  • volume
0 votes
If 10-2=33, 37-23=83, 82-4=43 and 55-7=32 then 76-45=?
posted Feb 27, 2018 by Amit Sharma
  • logic
0 votes
How many different numbers can be made using only the digits 1, 2, 3, 4 and a + sign?
posted Feb 24, 2018 by anonymous
  • logic
  • number puzzle
0 votes
Write Mohit using emoji?
posted Feb 14, 2018 by anonymous
  • logic
–4 votes
Find a even number which can be represented with the sum of two prime numbers?
posted Feb 4, 2018 by anonymous
  • mathematical
0 votes
Find the value of x in the given triangle?
posted Jan 9, 2018 by anonymous
  • geometry
  • mathematical
0 votes
The fourth box is blank, if it was not what number would correspond with it? Clue:1,5,10,20,50
posted Dec 16, 2017 by Yasin Hossain Siinan
  • number puzzle
+1 vote
If AF=1 and AB=AC=7 in the given image then what would be the radius of grey circle?
posted Oct 24, 2017 by anonymous
  • geometry
  • mathematical
  • logic
0 votes
Rearrange these letters into a proper word: 1. rrreauli 2. lleeratv 3. nrnaoup
posted Oct 15, 2017 by anonymous
  • word puzzle
0 votes
In how many ways can we cover a 9x7 rectangular surface with five integer sided rectangular tiles?
posted Oct 14, 2017 by anonymous
  • permutation
  • geometry
  • logic
+1 vote
Use 1 to 9 digit exactly once and make 9 pairs (a,b) such that a/b=1/2, 1/3, 1/4...1/9?
posted Oct 14, 2017 by anonymous
  • logic
  • number puzzle
0 votes
A uniform wire of length 20cm is bent into shape V of 60 degree. What is distance of its center of mass from vertex A?
posted Oct 6, 2017 by anonymous
  • mathematical
0 votes
What is this rebus saying?
posted Sep 28, 2017 by Rahul Chandel
  • logic
  • rebus
  • visual
0 votes
Rectangle of integer lengths is cut into 12 squares of lengths 2,2,3,3,5,5,7,7,8,8,9,9. What is perimeter of rectangle?
posted Sep 27, 2017 by anonymous
  • geometry
  • mathematical
  • logic
0 votes
Relative to each one's section, which student did better on the exam?
posted Sep 22, 2017 by anonymous
  • statistics
–1 vote
g,a,c,h,o,u,p,f to arrange word to line
posted Sep 17, 2017 by Momaya Solanki
  • word puzzle
–2 votes
Which number comes to the question mark (?)
posted Sep 17, 2017 by anonymous
  • number puzzle
0 votes
What is this rebus saying?
posted Sep 15, 2017 by Anil Chaurasiya
  • logic
  • rebus
  • visual
0 votes
What is this rebus saying?
posted Sep 14, 2017 by Kapil Kapoor
  • logic
  • visual
  • rebus
0 votes
Guess the movie name from the following picture?
posted Sep 14, 2017 by Shamita
  • movies
  • visual
0 votes
What is the minimum number of people who know everyone else in the group of 100 people...
posted Sep 6, 2017 by anonymous
  • logic
  • mathematical
0 votes
0,2,4,6=8; 1,2,3,5=8; 1,2,6,9=3; 1,3,4,5,6=0; 1,4,7,8,9=A; 2,3,5=E; 0,1,3,7=F; 4,8,9=H; 1,2,3,4,5,6,7,8,9 = ?
posted Sep 4, 2017 by Debaprasad Maity
  • riddle
  • series
0 votes
If 5 + 4 = 9, 3 + 5 = 9, 9 + 1 = 9, 1 + 6 = 8, 4 + 2 = 8, 1 + 7 = 7, 5 + 6 = 6, 3 + 7 = 3 and 7 + 0 = 0 Then  8 – 1 => ?
posted Aug 30, 2017 by anonymous
  • number puzzle
  • logic
0 votes
What is this rebus saying?
posted Aug 24, 2017 by Riteshwar
  • rebus
  • logic
  • visual
0 votes
What is the area of the triangle in the given image, if AP=4, BP=5 and CP=3?
posted Aug 23, 2017 by anonymous
  • geometry
  • mathematical
0 votes
I have many tongues, and must be fed. Restrain me not, and I will spread. I could save you, or make you dead, it all...
posted Aug 22, 2017 by Sumanta Hazra
  • riddle
  • tricky
+1 vote
Many people want it, and people don't want it if everyone get's it. The person who made it didn't work for it as much...
posted Aug 22, 2017 by Navya
  • riddle
0 votes
Find the product of mean, median and mode for the following values? 23; 16; 45; 28; 18; 23; 36;
posted Aug 22, 2017 by anonymous
  • mathematical
  • statistics
0 votes
Display each of the numbers from 0 to 9 using only 7, 3, x, - and = buttons on a calculator (as many times as you like)?
posted Aug 22, 2017 by anonymous
  • logic
0 votes
What can be a romantic word with the letters - U.Y.T.I.A.U.E.O.H
posted Aug 19, 2017 by anonymous
  • word puzzle
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