Questions

EOF has been defined as #define EOF -1 n the file "stdio.h" and an unsigned char ranges from 0 to 255 hence when EOF is read from the file it cannot be accommodated in ch. Solution is to declare ch as an int.

Handwritten wills are also known as Holographic wills since they are made by the persons called testators without notary or any witness.

India has jumped 12 places to 40th rank globally in travel and tourism competitiveness list by World Economic Forum.

The blood of some invertebrate animals like the earthworm is red due to haemoglobin pigment, but the pigment is dissolved in the plasma. In vertebrates the same pigment is found in the red corpuscles and not in the plasma.

The only active volcano in India is situated in Andaman-Nicobar islands.

Radioactive decay is likely to occur when the nuclei of an atom doesn't have enough binding energy to hold the nucleus together due to excess of rotons or nutrons in it.