Can you convert the number zero(0) into a positive number using just one mathematical operator ?
I have lakes with no water, mountains with no stone and cities with no buildings. What am I?
Find the next number in the series? 2, 12, 36, 80, 150, 252, 392, _ ?
What happened when the wheel was invented?
As a whole I am both safe and secure. Behead me and I become a place of meeting. Behead me again and I am the partner of ready. Restore me, and I become the domain of beasts. What am I?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows: Withdrawals Balance left $50 $50 $25 $25 $10 $15 $8 $7 $5 $2 $2 $0 ----- ----- $100 $99 Why are the Totals not tallying?
John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?
There are 2 sand hourglasses. The small one can measure 5 hours and the large one can measure 7 hours. How can we measure 16 hours with 2 sand hourglasses running together ?
What does does this rebus picture means ?
Solve the counting riddle by identifying the number of triangles in the given picture.
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.