Questions

A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.

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’.

One of the hazard of swimming (1)/ in the ocean is an unexpected (2)/ encounter with a jellyfish. (3)/ No error (4)

Inert gases are

Match the following items.

If Usha is taller than Nisha; Nisha is taller than Asha; Alka is taller then Usha. Harsha is shorter than Asha; then who among them is the tallest?

How many triangles are there in the given figure?

Name the author of the book "Pakistan the Gathering Storm".

Shaquille O'Neal is associated with which Sport?