General Knowledge
Physics
Mathematics
Logical/Puzzles
100

What planet is known to be the red planet?

Mars
100

What is the difference between a vector quantity and a scalar quantity?

Scalar has magnitude only whilst Vector has magnitude and direction.

100

What is the concept of calculus? 

calculus, branch of mathematics concerned with the calculation of instantaneous rates of change and the summation of infinitely many small factors to determine some whole.

100

I speak without a mouth and hear without ears. What am I?

Echo

200

Who developed the theory of relativity?

Einstein

200

What is the equation for the moment of inertia on a Solid Cylinder/Disc (center)?

I = 1/2 MR2

200

What is the sum of the angles in an octagon?

10800

200

What comes once in a Century, twice in a Lifetime, and never in a Thousand months?

The letter E

300

Is MIT an Ivy League school? 

No

300

A bus is driving at a freeway going 150 km/h, then suddenly a swarm of bees came into the road. Consequently they were hit by the bus and got stuck in the windshield. During the collision between the bus and the swarm of bees, which has a greater change in momentum?

During the collision they experience equal and opposite changes in momentum (Δp), so the impulse on the bees equals the impulse on the bus in magnitude.

300

A strait on a map is shown to be 3 cm wide, but in real life, it is 5,4 km. What is the scale of the map?

1 : 180.000

300

What is this puzzle saying?

JOBINJOB

In between Jobs

400

Why can't you hear sound in space?

No medium (no air) for sound waves to travel

400

In quantum mechanics, all matter can exhibit wave-like behavior, but why don’t we observe this wave nature in large objects like a bus?

Because their wavelength is extremely small, making wave effects unnoticeable.

400

Given that 5a +3b = 4, find the value of 32a x 8b.

16

400

You have been imprisoned and you are now in a cell. You are locked behind a keypad door. The last inmate in your cell has cracked the code but was taken away before he could run away. He has left some tracks for you. There is a calendar with a 3x3 square formed with a marker on the dates of 5, 6, 7, 12, 13, 14, 19, 20, 21 in the month of April. There is also a tic tac toe game on the wall, with O as the winning hand with a diagonal win from the top left to the bottom right of the board. Now what is the code for the keypad?

5-13-21

500

In which continent is Georgia located in?

Georgia is situated south of the Greater Caucasus Mountains, which are often used to define the boundary between Europe and Asia, but generally it is considered to be in Europe. 

500

A stone is dropped from the top of a cliff. The splash it makes when it strikes the water below is heard 3.5s later. How high is that cliff?

Hint: Time total is 3.5s, Gravitation is 9.8 m/s2, V of sound is 343 m/s

55m

500

If x + y = 4 and x2+y2 = 10

x4+y4=?

82

500

1. time

2. time

3. charm

What is this puzzle saying?

Third time is a charm

M
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