Brain Test: Tricky Puzzles Level 17 Answer [What Is the Hidden Number?]

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Brain Test: Tricky Puzzles Level 17 shows the sequence 5-15-25-?-100 with a rock sitting on the missing number. Try the hints first, or jump straight to the answer below.

Just want a hint?

Try these two hints before you look at the solution. They point you in the right direction without giving the answer away.

Still stuck on Level 17? The walkthrough below shows every move, and the full answer comes right after it.

Brain Test: Tricky Puzzles Level 17 walkthrough

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Brain Test: Tricky Puzzles Level 17 answer

The pattern doesn't add up neatly, so maths won't help. The answer is printed under the rock.

What you can and can’t use

• DragRock Hides the number.
• TapNumber keys Type 40.
• TapGreen tick Submits the answer.

Next levels

Level 18Level 18 AnswerHow Many Months Have 28 Days?See the answer Level 19Level 19 AnswerPlease Save This Boy!See the answer Level 20Level 20 AnswerWhere Is the Black Sheep?See the answer Level 21Level 21 AnswerWhat Is the Last Letter in Spelling?See the answer

About Brain Test: Tricky Puzzles

Brain Test: Tricky Puzzles is a free puzzle game by Unico Studio with hundreds of trick questions. Most levels can’t be solved the obvious way: you drag objects, tap hidden spots and sometimes turn your phone to find the answer. Get it on Google Play or the App Store.

Thanks for reading! If this got you past Level 17, the next answers are linked above, and every level is on the Brain Test: Tricky Puzzles All Answers page.