Questions

1. Pinaka is a multi barrel rocket launcher developed by the Defence Research and Development Organisation (DRDO) for the Indian Army.

2. The system has a maximum range of 40 km for Mark-I and 75 km for Mark-II, and can fire a salvo of 12 rockets in 44 seconds.

3. The system is mounted on a Tatra truck for mobility.

4. Actually, the meaning of Pinaka is Shiv Dhanush.

Bats

Given 8, 9, 1, 11 letters indicates HOME which is residence

7, 2, 9, 5 indicates POOL where we can swim

1, 4, 5, 11 indicates MILE which is unit of distance

10, 9, 3, 6, 5 is NOBEL which is an International Prize

6, 11 are 'e' and 2, 9 are 'o' are same

With all the above hints the word is MOBILEPHONE.

The owner first lost Rs. 100 in cash, but after the thief bought Rs. 60 goods, he get back that Rs. 100 but he lost Rs. 60 value of goods and Rs. 40 in change.

So, a total of 60 + 40 = Rs. 100 the owner lose.

Telnet uses TCP at layer 4. It uses IP at layer 3. We know that Telnet uses TCP/IP protocol, but in the question, it is asked specifically at layer 4 what is used in Telnet. So it is TCP at layer4 and IP at layer 3.