Today's PUZZLE CLASSIC OF THE DAY
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A Child's Age
A child's age (in full years) increased by 3 years gives a number which when square rooted results in a number obtained if the child's age is decreased by 3 years. Drag the number from the image to the circle(s) to indicate the child's age.
Adding the X
What number can be added to both 170 and 30 so that the resultant sums have a ratio of 3:1?
How Old is the Youngest?
It is known total age of the family of 4 is 68. Four years ago it was 53. How old is the youngest in the family?
Magic Circle: 1 to 19
Place the numbers from 1 through 19 in the circles so that the numbers in every 3 circles on a straight line total 30.
A Family Gathering
A family gathering consisted of father, mother, son, daughter, brother, sister, two cousins, nephew, niece, uncle and aunt. But there were only 4 persons present. Who were they to each other? Drag the respective labels.
Consecutive Digits into the Grid
Place the digits 1-8 into the grid's cell so that no two consecutive digits are neighbors in the gird, either horizontally, vertically or diagonally.
Boston - New York Trains
A train departs Boston for New York. An hour later, another train departs New York for Boston. Both trains travel at the same speed. Which of them will be at a shorter distance from Boston at the moment of their meeting? Show it with the sliding trains. Note: the trains’ lengths can be neglected.
Big & Small
When it's alone, it's big. When it's with others, it's small. What is it?
Trilateral Walk
One can walk 1 mile north, 1 mile west, 1 mile south and end up where the journey has started. Where the person should start such a journey from?
Aging
In 10 years the total age of two brothers and two sisters will be 100 years. What will be their total age in 7 years from now?
Not a Nickel
In my hand, I hold two coins that are newly minted. Together they total 30 cents. One isn’t a nickel. How come?
The Hindu Squares
How many different squares can you find in this picture?