THE ANSWER IS TO CALCULATE IN YOUR MIND WITHOUT THE HELP OF A PEN OR A CALCULATOR.

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ANSWER

1000 +40 = 1040

1040+ 1000= 2040

2040+30= 2070

2070+1000=3070

3070+20=3090

3090+1000= 4090

4090+10=4100

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To solve, one needs to interpret the questions properly and understand the sequence in the problem Is designed. By understanding the sequence, it becomes easier to solve a problem. Understanding the sequence of a puzzle requires strong logical ability and a creative thought pattern. The key is to solve as many different puzzles as possible to improve the thought process and gain expertise over different ways of solving a problem.

Here in the question, it is asked how many Eyes We have so that means here the person who has asked the question is also including the person who is suppose to give the answer.

THE ANSWER IS TO CALCULATE IN YOUR MIND WITHOUT THE HELP OF A PEN OR A CALCULATOR.