An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Can you find the 09 errors in the picture below?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

How many triangles are there in the picture below?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

What will you call your mother's brother's brother-in-law?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Find out the number of circles in the given picture having Illusion