GATE Questions

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A shell is an interactive user interface to an operating system services that allows an user to enter commands as character strings or through a graphical user interface. The shell converts them to system calls to the OS or forks off a process to execute the command. System call results and other information from the OS are presented to the user through an interactive interface. Commonly used shells are sh,csh,ks etc.

Given Karthik + Kalyan = 112

Given that when karthik is at the age of kalyan he is twice of Kalyan's age

i.e When he was 48 means Kalyan is at 24

=> Present age of Kalyan is 48

And that of Karthik is 112 - 48 = 64

Answer 1) d
Rashmi is the daughter of Amit who is son of Veena.
Therefore, Veena is Grand mother of Rashmi.

Answer 2) b
Vandana's sister is Vishal's brother's wife.
Therfore, Vishal is Vandana's Brother-in-law.

Answer 3) c
Yashwanth is son of Avinash who is the son of Rohit Agarwal.
Therefore, surname of Yashwanth is Agarwal.

According to Gandhiji, A sound body means one which bends itself to the spirit and is always a ready instrument at its service. Such bodies are not made, in my opinion, on the football field. They are made on cornfields and farms.

Kangaroo.

The purines are bases in the DNA. The two purines in DNA are Adenine and Guanine. These two purines forms hydrogen bonds with their complimentary pyrimidines such as Thymine and Cytosine to keep the two rails of the DNA molecule together.

Humidity means the amount of watervapour present in the atmosphere. It depends on weather, location and temperature of the place.