Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

In the image below, can you find the value of an angle(y)

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

Can you write down eight eights so that they add up to one thousand?

By using all numbers, i.e. 123456789 and subtraction/addition, operators number 100 can be formed in many ways.
Example: 98 + 7 + 6 - 5 - 4 - 3 + 2 - 1 = 100

But if we add a condition use of the number 32 is a must. Then there are limited solutions.
One of such solution is: 9 - 8 + 76 + 54 - 32 + 1 = 100

Can you tell me any other solution?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?