If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

You need to arrange three 7 and mathematical symbols to form number 1?

Which country gets ill every time?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Can you name four days which start with the letter 'T'?

Find the next number in the series.
1 10 24 43 67 ?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?