It takes a keen eye to spot all the odd letters through every level of this challenging visual test. Have you got the laser vision to ace this test?

Can you find the odd letter. It’s is not number like other riddle.

Try your best.

Here is the answer:

### See more: Very few Americans get this right without a calculator: Can you solve it?

Can you solve this equation – without a calculator?

Okay, now to the challenge.

Below is a tricky equation. Can you solve it without using a calculator?

What do you think the right answer is?

Hmm, now how did this work again?

Think long and hard and you might be able to remember!

The answer is written underneath this image.

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Here’s the answer

The right answer is 104.

But how come?

First of all, before we do anything else, we need to solve the multiplication, and 25 * 0 gets us 0.

So what remains is 50 + 50 – 0 + 2 + 2 which gets us 104.

So the answer is 104.

Did you get the right answer? If so, then congratulations!