Exams

Ms. Chandra said that Lakshmi's husband is the only son of my grandfather. How is Ms. Chandra related to Lakshmi?

The mean of the data 3, 10, 10, 4, 7, 10, 5 is

There was a group of 6 students who took a test. Another student joined the group after taking the test later. With her marks included the average score of the group went up by 3. This student has got ___ marks more than the average marks without her being included.

From the given answer figures, select the one in which the question figure is hidden/embedded. 

Saffron is produced in a large scale in

If a ball is thrown vertically upwards with a velocity of 40 m/s, then what will be the magnitude of its displacement after 6 s?

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

20 ÷ 2 - 3 + 10 x 6 = ?

Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.