Question Bank 
Who was the first to state the principle of floatation?
- Galileo Galilei
- Aristotle
- Archimedes
- Isaac Newton
Correct Answer : 3
What is the property of a liquid due to which its free surface tries to have minimum surface area?
- Rigidity
- Surface Tension
- Buoyancy
- Viscosity
Correct Answer : 2
Which of the following is NOT a method to reduce friction?
- throwing sand on the ground
- By polishing
- By lubrication
- None of the above
Correct Answer : 1
What is the audible range of sound for human beings?
- 2000 Hz to 20000 Hz
- 200 Hz to 20000 Hz
- 20 Hz to 2000 Hz
- 20 Hz to 20000 Hz
Correct Answer : 4
Which of the following is another unit of frequency?
- second
- metre per second
- decibel
- cycle per second
Correct Answer : 4
What is the SI unit of magnetic flux?
- maxwell
- weber
- teslas
- Newton
Correct Answer : 2
Bharatmala Project is related to which of the following?
- Improving road connectivity
- Interlinking of rivers
- Interlinking of railways
- Interlinking major cities with gas pipelines
Correct Answer : 1
The Shompens are the vulnerable tribal group of which of the following states?
- Andaman and Nicobar
- Odisha
- Chattisgarh
- Jharkhand
Correct Answer : 1
Which of the following cities of India has the highest percentage of slum population?
- Delhi
- Mumbai
- Surat
- Kolkata
Correct Answer : 2
The average of the first five multiples of 9 is?
- 27
- 29
- 31
- 33
Correct Answer : 1
Find the average of the first 97 natural numbers.
- 49
- 47
- 49.5
- 46
Correct Answer : 1
The average marks of four subjects are 120. If 33 was misread as 13 during the calculation, what will be the correct average?
- 125
- 127
- 122
- 124
Correct Answer : 1
A man travels equal distances of his journey at 40, 30 and 15 km/h. respectively. Find his average speed for the whole journey.
- 25
- 26
- 27
- 24
Correct Answer : 4
The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is?
- 9.2m
- 7.8m
- 7.2m
- 6.8m
Correct Answer : 1
Which of the following canals is considered to be an important link between the developed countries and the developing countries?
- Grand Canal
- Suez Canal
- Kiel Canal
- Panama Canal
Correct Answer : 2