Find The Different Smartphone

CHALLENGE: Find the different one in 40 seconds.

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Can you find it in less than 40 seconds?

YES

NO

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Answer: 3RD ROW 4TH COLUMN

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The amount of water flowing into a tank doubles every minute.

The tank is full in an hour. When was the tank half full?

What is your answer?

30 minutes

60 minutes

59 minutes

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A

N

S

W

E

R