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Recent puzzles without a selected answer

0 votes
If x^3 -1 is a factor of x^6 + a.x^4 + b.x^3 + c.x^2 + 3x + 2 then find the value of ab + bc + ac?
posted May 7, 2019 by anonymous
  • mathematical
  • algebra
0 votes
How many bags did he use after the distribution?
posted May 7, 2019 by anonymous
  • logic
  • algebra
0 votes
A sequence contains terms that doesn't have any perfect square factors (except 1). 2, 3, 5, 6, 7, 10, 11, 13, 14, 15...
posted May 7, 2019 by anonymous
  • series
  • algebra
0 votes
What are the differences between G7 and G20?
posted May 6, 2019 by anonymous
  • difference
+1 vote
Two cities are 100 km apart. Chug leaves city A driving 30 kmph and Joe leaves City B half an hour later at 60 kmph...
posted May 6, 2019 by anonymous
  • time distance
  • mathematical
+1 vote
Find the familiar phrase, saying or name in this arrangement of letters?
posted May 6, 2019 by anonymous
  • rebus
  • logic
0 votes
2 diagonals of this rectangle divide it into 4 triangles. What is area of rectangle if area of the shaded region is 42?
posted May 3, 2019 by anonymous
  • geometry
  • mathematical
  • logic
0 votes
If R is the radius of the quarter-circle on the left and r is the radius of the circle on the right, what is R/r
posted May 3, 2019 by anonymous
  • geometry
  • logic
0 votes
Is it possible to divide a square into five congruent polygons?
posted May 3, 2019 by anonymous
  • geometry
  • logic
0 votes
What is this geometric sequence? Sum of first few terms GP is 11 , the sum of squares is 341 and sum of cubes is 3641.
posted May 2, 2019 by anonymous
  • mathematical
  • series
0 votes
Find the familiar phrase, saying or name in this arrangement of letters?
posted May 2, 2019 by anonymous
  • rebus
  • logic
0 votes
Why did the man run towards the police car?
posted May 2, 2019 by anonymous
  • mystery
  • riddle
0 votes
Two men are walking in a graveyard. The first man walks to a grave....
posted May 2, 2019 by anonymous
  • riddle
  • relation
+1 vote
Find the familiar phrase, saying or name in this arrangement of letters?
posted May 1, 2019 by anonymous
  • rebus
  • logic
0 votes
Choose the best word for the blank: If a quadrilateral with two pairs of consecutive congruent sides...
posted May 1, 2019 by anonymous
  • geometry
0 votes
Sum of the squares of two consecutive even positive integers is 340. What are the numbers?
posted Apr 30, 2019 by Mani Shankar Katta
  • mathematical
0 votes
Find the familiar phrase, saying or name in this arrangement of letters?
posted Apr 30, 2019 by anonymous
  • rebus
  • visual
+1 vote
Given the natural numbers x and y satisfy (1 + x!)(1 + y!) = (x + y)! What is the value of x + y?
posted Apr 30, 2019 by anonymous
  • algebra
  • mathematical
0 votes
Can you rearrange the 64 squares on a chess board so that every row and column has an odd number of black squares?
posted Apr 30, 2019 by anonymous
  • logic
  • chess
  • mathematical
0 votes
Find the familiar phrase, saying or name in this arrangement of letters?
posted Apr 29, 2019 by anonymous
  • rebus
0 votes
Solve this letter equation - 90 D in R A
posted Apr 29, 2019 by anonymous
  • logic
+1 vote
What is better when you break it?
posted Apr 29, 2019 by anonymous
  • riddle
0 votes
I can fall off a building and live, but in water I will die. What am I?
posted Apr 29, 2019 by anonymous
  • riddle
+1 vote
What gives you the strength and power to walk through walls?
posted Apr 27, 2019 by anonymous
  • riddle
+1 vote
Let Ln denote the arc length of the curve x^2n + y^2n = 1 where n is a positive integer. Find Lim (n->∞) Ln
posted Apr 26, 2019 by anonymous
  • algebra
0 votes
a,b,c,d are distinct pairwise co-prime +ve integers with a^2 + b^2 = c^2 + d^2, lowest possible value of a + b + c + d?
posted Apr 26, 2019 by anonymous
  • algebra
  • number puzzle
0 votes
Find the familiar phrase, saying or name in this arrangement of letters?
posted Apr 26, 2019 by anonymous
  • logic
  • rebus
0 votes
What's next in this number sequence: 18, 26, 20, 28, x?
posted Apr 25, 2019 by anonymous
  • series
0 votes
What is the common mistake in both of the following images?
posted Apr 25, 2019 by anonymous
  • visual
0 votes
Find the Pin of the digital lock?
posted Apr 25, 2019 by anonymous
  • logic
0 votes
If a dozen eggs cost 12 cents how much does 100 eggs cost?
posted Apr 25, 2019 by anonymous
  • riddle
+2 votes
I have six eggs. I broke two and made omelette of two. How many eggs do I have now?
posted Apr 24, 2019 by anonymous
  • logic
+1 vote
Unscramble the clues to reveal the Indian Sweet (dessert)?
posted Apr 24, 2019 by anonymous
  • logic
  • word puzzle
+1 vote
Charlie spent 3 days in hospital. He wasn't injured and wasn't sick, but he did have to be carried out when he left....
posted Apr 24, 2019 by anonymous
  • logic
  • riddle
0 votes
Can you copy the following image without lifting the pan from the paper?
posted Apr 24, 2019 by anonymous
  • visual
  • logic
  • drawing
0 votes
Which ones of the following are of same size ?
posted Apr 24, 2019 by anonymous
  • visual
+1 vote
Why did the coffee file a police report?
posted Apr 24, 2019 by anonymous
  • logic
  • riddle
+1 vote
What food goes on and on without a beginning, middle, or an end?
posted Apr 24, 2019 by anonymous
  • riddle
0 votes
What’s next in this number sequence: 6, 36, 18, 108, 54, x?
posted Apr 23, 2019 by anonymous
  • series
0 votes
Triangle ABC with random points on the circle. What is the probability of triangle covering the centre of the circle?
posted Apr 23, 2019 by anonymous
  • probability
  • mathematical
  • geometry
0 votes
64 numbers (not necessarily distinct) are placed on the squares of a chessboard such that sum of every 2x2 square is 7..
posted Apr 23, 2019 by anonymous
  • logic
  • mathematical
  • chess
0 votes
Find the greatest positive integer n for which n is divisible by all positive integers whose cube is not greater than n?
posted Apr 23, 2019 by anonymous
  • number puzzle
  • logic
  • mathematical
+1 vote
A Van contains some helium-filled balloons. When it starts accelerating what happens to balloons?
posted Apr 22, 2019 by anonymous
  • physics
  • logic
+1 vote
Guess the following rebus from the following image?
posted Apr 22, 2019 by anonymous
  • rebus
  • logic
0 votes
i, j, and k are chosen randomly from [-1, 1]. What is the probability that i^2 + j^2 + k^2 < 1 and |i| + |j| + |k| > 1
posted Apr 22, 2019 by anonymous
  • probability
0 votes
What is the area of the trapezoid ABCD?
posted Apr 22, 2019 by anonymous
  • geometry
0 votes
Choose the best word for the blank?
posted Apr 22, 2019 by anonymous
  • english
  • vocabulary
+1 vote
Which of the following bases has the most automorphic numbers for the first 100 positive integers?
posted Apr 22, 2019 by anonymous
  • number puzzle
  • logic
+1 vote
What's next in this number sequence: 52, 32, 22, 14, x?
posted Apr 18, 2019 by anonymous
  • series
+1 vote
Look at this series: 567, 572, 579, 588, 593, 562, … What number should come next?
posted Apr 18, 2019 by anonymous
  • series
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