Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

Can you find out the total number of triangles in the given figure?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Sharpen your observation skills as you compare two seemingly identical images. Grab a magnifying glass, involve a buddy, and unleash your inner detective. Check the solution to see if you're a difference-detecting maestro!

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

Find the missing letter in the last circle logically in the given below picture.

Find the missing number: 1, 2, 3, 10, 10, ?, 9,802

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?