Brain Blow Level 55

Overview

A row of parking spaces sits under a P sign, with a red car parked in the fourth spot. The spaces show numbers 06, 68, 88, and 98 from left to right, but the one under the car is hidden. The prompt asks what the number under the car is, and the digits only make sense once the whole view is turned upside down, which flips them into a normal ascending sequence. An input box labeled Type sits above the Ok button where the answer is entered.

• Difficulty: Regular
• Estimated moves: 2

Step-by-Step Solution

1. Read the prompt asking for the number under the car, and write down the visible spot numbers in order: 06, 68, 88, then the hidden spot, then 98. Notice that these digits do not form a normal sequence in the current upright view.

1. Turn your phone or device upside down so the top edge points toward the ground. This rotation flips the printed digits around, and the numbers that looked like 06, 68, 88, and 98 now read as ordinary digits viewed from the opposite side.

1. Read the rotated row from the reversed order it now presents. With the device inverted, the visible spots fall into a straight ascending run, and the blank space occupied by the car sits between the nearby numbers rather than at the end.

1. Work out the missing value from that sequence: the numbers step up by one through the run, and the gap under the car is the value that completes the order. The hidden parking number is 87.

1. Turn the device back to upright if you prefer, tap the Type input box, and enter 87.

1. Press the blue Ok button to submit the answer. The green checkmark appears over the parking row and the completion screen confirms that 87 is correct.

Strategy & Reasoning

The puzzle is built on upside-down digits: several of the shapes used here still look like digits when rotated 180 degrees, so the printed row is deliberately shown the wrong way up. Reading it upright leaves the numbers looking scrambled, while rotating the device reveals the real sequence. Trying to guess a pattern from the upright shapes, or reading the spots left to right without flipping, will send you toward a wrong number because the order itself reverses with the rotation.

Once inverted, the spots form an ordinary consecutive list, and the car's slot is simply the missing member of that list. This is why the answer cannot be read off the car directly: the digit under the vehicle has to be inferred from the surrounding sequence after the view is corrected. Entering 87 and confirming works only after the pattern has been checked in the rotated orientation, so flipping the device before guessing is the key step rather than an optional extra.

Tips & Common Mistakes

• Rotate the device upside down before reading the numbers; the upright shapes are reversed and their sequence does not make sense that way.
• Read the spots in the reversed order created by the flip, and take the missing value from the consecutive sequence rather than guessing a number from the upright digits.
• Enter 87 in the Type box and press Ok; submitting a number before checking the inverted sequence will be rejected.