Questions

Increase in volume = Volume of the cube = (15 x 15 x 15) cm3.

\Rise in water level = volume/area = (15 x 15 x 15)/(20 x 15) cm = 11.25 cm.

A computer system consists of two major elements: hardware and software. Computer hardware is the collection of all the parts you can physically touch. Computer software, on the other hand, is not something you can touch. Software is a set of instructions for a computer to perform specific operations. You need both hardware and software for a computer system to work.

10 examples of computer hardware are ::

1. Monitor

2. Motherboard

3. CPU(Microprocessor) 

4. Main memory(RAM)

5. Expansion cards 

6. Power supply unit

7. Optical disc drive 

8. Hard disk drive (HDD)

9. Keyboard

10. Mouse

The Supreme Court of India was established on 28th January, 1950.

The Supreme Court followed the Federal Court of India which was founded under the Government of India Act, 1935.

Since at 4 : 20 the minute hand will be at 4 and the angle between them will be same as the distance covered in degree by the hour hand in 20 minutes.

Required angle = distance of hour hand = speed × time = 12× 20 =10 degrees.