Questions

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

Which is the brightest star in our night sky?

Who designed the world's lightest satellite 'Kalamsat', which NASA launched and set a new world record?

Find the odd word/letters/number pair from the given alternatives.

National sport of Argentina?

Bilateral monopoly situation is

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Anita ______ her work by the time he came.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

I was (1)/ a pilot (2)/ here a month ago. (3)/ No error (4)