CrazyEngineers

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Difficulty - Hard

Total Plays - 206

Allowed Time - 15 sec

Best time - 0.457

A father is 36 years old and his son is 6. In how many years will the father be exactly three times as old as the son?

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Explanation:
In 9 years, father will be 45 and son will be 15. 45 is 3 times 15.

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Difficulty - Medium

Total Plays - 149

Allowed Time - 10 sec

Best time - 1.324 sec

Identify the next number in the series -

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2 -> 3 -> 5 -> 7 -> 11 -> [ ? ]

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Explanation:
These are prime numbers. 13 is the next prime after 11.

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Difficulty - Medium

Total Plays - 149

Allowed Time - 10 sec

Best time - 0.380 sec

If it takes 5 machines 5 minutes to make 5 widgets, how long would 100 machines take to make 100 widgets?

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Explanation:
Each machine makes 1 widget in 5 minutes. So 100 machines will make 100 widgets in 5 minutes, working in parallel.

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Difficulty - Medium

Total Plays - 138

Allowed Time - 10 sec

Best time - 0.582

What does a capacitor store?

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Explanation:
A capacitor stores energy in the form of an electric field between its plates. It doesn't store current or voltage directly.

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Difficulty - Hard

Total Plays - 130

Allowed Time - 15 sec

Best time - 0.515

What is the antonym of “Obscure”?

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Explanation:
"Obscure" means unclear or hidden. Its opposite is clear.

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Difficulty - Medium

Total Plays - 129

Allowed Time - 10 sec

Best time - 1.262

Choose the word that best fits the sentence:

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He is very good ___ playing chess.

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Explanation:
The correct preposition after "good" (when talking about skill) is "at".

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Difficulty - Medium

Total Plays - 122

Allowed Time - 10 sec

Best time - 0.887

Identify Next Number In the Series: 2, 6, 12, 20, 30, ?

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Explanation:
The pattern is +4, +6, +8, +10, +12... So, 30 + 12 = 42

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Difficulty - Medium

Total Plays - 108

Allowed Time - 10 sec

Best time - 1.610

Identify this commonly used engineering tool

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Explanation:
A claw hammer is used for driving nails into wood and removing them using the curved claw. It’s a common tool in carpentry and general household repairs.

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Difficulty - Medium

Total Plays - 109

Allowed Time - 10 sec

Best time - 1.225 sec

Identify this famous logo of famous energy drink

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Explanation:
This is the logo of famous energy drink "Red Bull"

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Difficulty - Medium

Total Plays - 94

Allowed Time - 10 sec

Best time - 1.058 sec

Choose the word most similar in meaning to: "Eloquent"

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Explanation:
“Eloquent” refers to clear, strong, and persuasive speech or writing.

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Difficulty - Medium

Total Plays - 86

Allowed Time - 10 sec

Best time - 1.659 sec

What is the next number in the series?

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2 -> 4 -> 8 -> 16 -> ??

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Explanation:
Each number is multiplied by 2 to get the next number (2×2=4, 4×2=8, etc.).

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Difficulty - Hard

Total Plays - 101

Allowed Time - 15 sec

Best time - 1.592 sec

A clock shows the time as 3:15. What is the angle between the hour and the minute hands?

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Explanation:
At 3:15, the minute hand is at 3 (i.e., 90°), and the hour hand is slightly ahead of 3. Every minute, the hour hand moves 0.5°, so in 15 minutes, it moves 7.5°. So, angle between them = 90° - 7.5° = 7.5°.

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Difficulty - Medium

Total Plays - 91

Allowed Time - 10 sec

Best time - 1.230

Engineers' Day in India is celebrated on September 15 to honor which famous Indian engineer?

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Explanation:
Mokshagundam Visvesvaraya was a legendary civil engineer and Bharat Ratna awardee. His birthday, September 15, is celebrated as Engineers' Day in India.

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Difficulty - Medium

Total Plays - 94

Allowed Time - 10 sec

Best time - 1.035

CrazyEngineers was founded in which year?

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Explanation:
CrazyEngineers was founded in 2005 to bring together engineers from around the world to share ideas, projects, and innovations.

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Kaustubh Katdare
@thebigk • May 9, 2026

May 9, 2026
39.2K

Sony’s New Bravia Lineup Aims for Hollywood at Home, Falls Just Short of $40K Stardom

Sony is back with a fresh Bravia lineup, and it’s aiming straight for the home theater throne. But first, a little history. Bravia, which launched in 2005, stands for "Best...

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Kaustubh Katdare
@thebigk • Apr 3, 2025

Apr 3, 2025
19.7K

Can data engineer become a data scientist?

I was recently asked if a data engineer can become a data science. How difficult is it for data engineers to switch career to data scientist and what type of...

Like 0 Replies 5
manubhat
@manubhat-k8sJPK • Mar 29, 2025

Mar 29, 2025
2.4K

Software- Development Vs Testing

hey Ceans, Am in final year of my engineering now and planning to do some certifications... Can someone tell me abt it...Does Software testing provide good growth in IT or...

Like 0 Replies 7
Vashisth Y
@NFZ9eeY • Jul 14, 2025

Jul 14, 2025
239.3K

Need a Name for Cultural Fest in Hindi, English or Sanskrit

Hello Everyone Me and my mates are going to organise a technical cum cultural fest in our college and we need a unique name for it from our names which...

Like 3 Replies 4
Rohit Joshi
@rohit • Mar 25, 2025

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How to Delete Infosys Careers Account?

Writing a short guide to tell you about the process to delete your careers account from Infosys Jobs portal. The only way to delete your Infosys Careers account is to...

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virtualized
@virtualized-FFPdoH • Mar 21, 2025

Mar 21, 2025
24.0K

Subscripted assignment dimension mismatch: Matlab Error

Hi Everyone,I have stored a few values in a structure. I am using the getfield() function and after getting the value of a single element that satisfies a condition, I'm...

Like 1 Replies 1