Play exciting free quizzes

Question 1 of 310

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30

Your laptop battery drains much faster than usual, even when you're not using it heavily. Which action is the best first step?

A Delete all your files B Check which apps are using the most battery C Replace the keyboard D Turn off the Wi-Fi forever

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Question 2 of 310

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30

Which country shares the longest international land border with the United States?

A Mexico B Canada C Russia D Greenland

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Question 3 of 310

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30

If BOOK is coded as CPPL, how is FISH coded?

A GJTI B GISH C EJRG D FJTI

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Question 4 of 310

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30

What is the SI unit of force?

A Joule B Newton C Watt D Pascal

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Question 5 of 310

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30

Which organ in the human body is primarily responsible for filtering blood?

A Heart B Liver C Kidney D Lungs

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Question 6 of 310

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30

A sealed bag of potato chips often appears puffed up when taken to a high mountain. What is the best explanation?

A The chips grow larger B The lower air pressure outside allows the bag to expand C The bag fills with oxygen D Gravity becomes stronger

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Question 7 of 310

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30

What is the main source of energy for almost all life on Earth?

A The Moon B The Sun C Wind D Volcanoes

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Question 8 of 310

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30

Why are road signs often painted with reflective materials?

A To make them heavier B So drivers can see them more easily at night C To reduce wind D To make them waterproof

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