Exams

How many of the factors of 256 are perfect squares?

What is the number of atoms constituting a molecule known as?

___ is not a chemical change.

A particle experiences constant acceleration for 20 s after starting from rest. If it travels a distance X1, in the first 10 s and distance X2 in the remaining 10 s, then which of the following is true?

E, F, G, H and K visit a hospital on week days. Each one of them is a physician, surgeon, dentist, cardiologist, nephrologist but in the random order. Each visits the hospital only one day in the week and attends to their profession only.

Consider the following information and answer questions based on it.

1. The physician visits office every Monday.
2. E is the cardiologist who comes neither on Tuesday nor Thursday.
3. K is a surgeon and G is not the physician.
4. The person who visits the office on Thursday is not a nephrologist.
5. H works on a Tuesday and K works on the following day.

Who is the nephrologist?

A unit of power is called a

From the top of a platform 5 m high, the angle of elevation of a tower was 30 deg. If the platform was positioned 40√3 m away from the tower, how tall was the tower?

Which answer figure will complete the pattern in the question figure?