Exams

For triangle PQR, what is the equation of altitude PS if co­ordinates of P, Q and R are (5,1), (0,­4) and (­2,3) respectively?

If a4 + 1 = [a2 /b2 ] (4b2 – b4 – 1), then what is the value of a4 + b4?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

5, 10, 13, 26, 29, 58, 61, ?

If x2+5x+6 = 0, then the value of 2xx2-7x+6 is

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

4, 5.2, 6.4, ?, 8.8

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

-0.5, -0.35, -0.2, -0.05, ? , 0.25

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Raising effective primary and district-level coverage of mental health services for the general population, without requiring people to travel long distances to see a specialist and get medicines, should be a priority. _________________ the base of psychiatrists is low in relation to the need, the use of trained general practitioners as the first line of contact assumes importance. Some studies show many of them are not confident ________________ with their training to detect, diagnose and manage mental illnesses. ______________ a concerted effort, primary care physicians can be trained to help people with mild and severe problems, ________________ from anxiety disorders to depression, psychoses and conditions arising from alcohol and substance _______________.

_________________ the base of psychiatrists is low in relation to the need

What is the perimeter of the sector whose central angle is 60° and radius of the circle is 21 cm?