Exams

The angles of elevation of the top of a tower 72 metre high from the top and bottom of a building are 30° and 60° respectively. What is the height (in metres) of building?

A piece of paper is folded and punched as shown in the figure. Indicate how it will appear when it is opened?

Which of the following condition is True about the similarity of triangle ABC & DEF given below?

The line passing through (4,3) and (y,0) is parallel to the line passing through (­-1,-­2) and (3,0). Find y?

ΔPQR is right angled at Q. If cosP = 3/5, then what is the value of cosR ?

A piece of paper is folded and punched as shown below in the question figures. From the given answer figures, indicate how it will appear when opened?

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 physician?

Sea Guardian drones were obtained from which country?