Exams

A, B and C can do a job working alone in 12, 16 and 24 days respectively. In how many days they can do the job if they worked together?

Point A divides segment BC in the ratio 5:1. Co-ordinates of B are (6 ,-4) and C are (0,8). What are the co-ordinates of point A?

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement 1 : Some books are diaries.
Statement 2 : All books are paper.

Conclusion I : All diaries are paper.
Conclusion II : Some paper are diaries.

Arrange the following words as per order in the dictionary. 1. Manifest 2. Meticulous 3. Meridian 4. Merchant

Which of the following was invented by Sir Humphry Davy?

Which of the following is called 'The queen of Arabian sea'?

A boat cover row 12 km upstream in 4 hours and can cover the same distance downstream in 3 hours. What is the speed (in km/hr) of the boat in still water?

If x = 5 + 15 - 1 & y = 5 - 15 + 1, then find the value of x2 - y2.