Exams

What is the value of {sin (90 – x) cos [π – (x – y)]} + {cos (90 – x) sin [π – (y – x)]}?

The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?

An engineering student has to secure 25% marks to pass. He gets 45 and fails by 45 marks. Find the maximum marks.

The mean score in a test of the 12 boys in a class was 16 while the overall mean of the 30 students in the class was 18.1. What was the mean score of the girls?

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Lechery

If Sumita earns 75/4% more than her boyfriend, find the approximate % her boyfriend earns less than Sunita.

Which of the following quadratic equations has real roots?