CrazyEngineers

Difficulty - Hard

Total Plays - 46

Allowed Time - 15 sec

Best time - 1.448

The ratio of speeds of two cars is 4 : 5. If the faster car covers 300 km in 3 hours, how long will the slower car take?

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Explanation:
Faster car’s speed = 300/3 = 100 km/h. Slower = 100 × 4/5 = 80 km/h. Time = 300/80 = 3.75 ≈ 4 hours.

Leaderboard
Difficulty - Medium

Total Plays - 41

Allowed Time - 10 sec

Best time - 1.124

A sum doubles in 8 years at simple interest. In how many years will it triple?

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Explanation:
If it doubles in 8 years, the interest earned = principal. To triple, interest = 2× principal. So time = 8 × 2 = 16 years.

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Difficulty - Hard

Total Plays - 35

Allowed Time - 15 sec

Best time - 1.411

Who designed the first programmable computer concept (Analytical Engine)?

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Explanation:
Babbage proposed the Analytical Engine, which inspired modern computing architectures.

Leaderboard
Difficulty - Hard

Total Plays - 35

Allowed Time - 15 sec

Best time - 0.532

What happens to electrical resistance as temperature increases in a conductor?

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Explanation:
In most conductors, higher temperature increases atomic vibrations, which hinder electron flow and raise resistance. (But in semiconductors, it’s the opposite — resistance drops!)

Leaderboard
Difficulty - Medium

Total Plays - 34

Allowed Time - 10 sec

Best time - 1.208

What unit measures electrical power?

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Explanation:
The watt measures the rate of energy conversion or power in an electrical circuit.

Leaderboard
Difficulty - Medium

Total Plays - 36

Allowed Time - 10 sec

Best time - 1.160

What does CAD stand for?

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Explanation:
CAD software helps engineers design parts and assemblies digitally before production.

Leaderboard
cindrilla
@cindrilla-uEN5oq • Oct 25, 2025

Oct 25, 2025

1.5K

aptitude questions

a sports dealer bought 2000hockey sticks for Rs 350 each.10%of them were found to be defective and unfit to be sold.At what price should he sell the remaining to get...

Like 0 Replies 3
J I J O
@j-i-j-o-Qfo12V • Oct 24, 2025

Oct 24, 2025

1.5K

Query about studying in Singapore..

HI guys, This is for my friend he is a mechanical engineer we studied together. Now he want to go to Singapore for joining MBA. His preferred universities are James...

Like 0 Replies 2
Deasel Weasel
@deasel-weasel-A8LaZa • Oct 24, 2025

Oct 24, 2025

1.5K

What High School Classes Should I Take to be an Engineer?

I'm in high school, and my school offers alot of electives. I already signed up for my engineering class, but was wondering if there are any other classes i should...

Like 0 Replies 2
Kaustubh Katdare
@thebigk • Oct 23, 2025

Oct 23, 2025

185.9K

Is the job market bad right now or warming up?

I’m seeking opinions on the status of the job markets right now, especially for the engineers. Do you think the job market is bad right now or do you think...

Like 3 Replies 2
vinaykumar devarkond
@vinaykumar-devarkond-9KsNLW • Oct 23, 2025

Oct 23, 2025

31.3K

30 Lakhs (in Rupees) to USD?

Rs. 30 Lakhs in USD would be about $36,090, as per USD <> INR exchange rate. If you wish to earn that much salary; you will have to get a...

Like 1 Replies 8
Kaustubh Katdare
@thebigk • Oct 23, 2025

Oct 23, 2025

1.6K

Cyber security jobs in India are making a comeback!

Expect rise in the cyber security jobs in India in coming days. Big IT companies in India - viz. TCS, Infosys, Wipro, Cognizant and others may soon begin looking for...

Like 0 Replies 3
Shahzad Mehmood
@shahzad-mehmood-XXX0XQ • Oct 22, 2025

Oct 22, 2025

5.5K

Various scholarships for Higher studies

opportunities within your networks 1. Australia Award Scholarship (#-Link-Snipped-#) 2. LPDP Scholarsh hip (#-Link-Snipped-#) 3. DIKTI Scholarship a. Dalam Negeri (#-Link-Snipped-#)b. Luar Negeri (#-Link-Snipped-#) 4. Turkey Government Scholarship (#-Link-Snipped-#) 5....

Like 0 Replies 1
safiajen0055
@safiajen0055-ARWNeS • Oct 22, 2025

Oct 22, 2025

1.3K

How to change college after first year?

Hello Friends, I am doing BBA. Recently, I complete my First year and Now I get the admission in Second Year.... and i want to change my College.. So, here...

Like 0 Replies 3
Kartik Vyas
@kartik-vyas-FTNaHZ • Oct 22, 2025

Oct 22, 2025

1.3K

Education System in India needs a revamp!

A lot has been said but nothing much has been done about this topic. I know this is not one of those interesting topics on which anyone and everyone has...

Like 0 Replies 18
Aakash Gupta
@aakash-IbwvSb • Oct 21, 2025

Oct 21, 2025

2.8K

Is Data Scientist different than Data Analyst?

Is data Scientist a good career option? What is the future of a data scientist? what pay should a data scientist expect? what is the nature of work given to...

Like 0 Replies 6
Naramala Rohith
@naramala-ictfGI • Oct 21, 2025

Oct 21, 2025

1.4K

An I find a career in automobile design, without degree in the same discipline?

can i go to automobile designing(sketching,clay modelling,etc) field (jobs) with out a degree in automotive design or any transportation design....instead i have option to do m.tech in automobile engineering by...

Like 0 Replies 1
Mahesh Dahale
@mahesh-E2tZ3t • Oct 21, 2025

Oct 21, 2025

3.3K

Computer Science Key concepts

Computer Science Key concepts (NEW) BIOS (bask input/output system) :-A collection of software codes built into a PC that handle some of the fundamental tasks of sending data from one...

Like 0 Replies 11
ashfaqanwer
@ashfaqanwer-X0CZPx • Oct 20, 2025

Oct 20, 2025

1.3K

RepairShop - Repair of Pressure Vessels and Piping

Dear Forum Members, RepairShop is a small and easy to use utility which is very effective to know about the available and code compliant repair options for Pressure Vessels and...

Like 0 Replies 2
Kaustubh Katdare
@thebigk • Oct 18, 2025

Oct 18, 2025

18.3K

PlayStation 5 Lite Coming - But It's Not PS5 Slim

It looks like the PlayStation 5 digital edition is set to lose some weight - about ~300 grams, if you care. According to the new listing on Japanese e-commerce site...

Like 0 Replies 1