Find the mistake in the below maths equations A = 2 A(A-1) = 2(A-1) A2-A = 2A-2 A2-2A = A-2 A(A-2) = A-2 A = 1
A number can be multiplied by multiple of nine i.e 9 18 27 36 45 ... and the resulting number consist of only one digit. Can you identify the number ?
Replace the question mark with the correct number in below Picture:
How many triangles are there on the puzzle below?
Rectify the following equality 101 - 102 = 1 by moving just one digit.
All of Jacob's shoes are red except two. All of Jacob's shoes are green except two. All of Jacob's shoes are yellow except two. How many shoes does Jacob have?
Can you calculate the probability of getting a sum of six when a dice is thrown twice?
What number divided by 4 is the same as that number minus 4?
If one and a half boys, eat one and a half burgers in one and a half hours. How many burgers can 9 boys eat in 3 hours?
Replace the (?) with the correct mathematical signs to make the expression equal to 59. 18 ? 12 ? 4 ? 5 = 59
We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki